Home / 14,615.26-20,166.49-8,644.75

Finding the Fourth Proportional to 14,615.26, 20,166.49 and 8,644.75

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Solution

The fourth proportional to 14,615.26, 20,166.49 and 8,644.75 is: 11,928.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.26 : 20,166.49 = 8,644.75 : x
  2. Step 2: Convert to fraction form
    14,615.26/20,166.49 = 8,644.75/x
  3. Step 3: Cross multiply
    14,615.26x = 20,166.49 × 8,644.75
  4. Step 4: Simplify right side
    14,615.26x = 174,334,264.43
  5. Step 5: Solve for x
    x = 174,334,264.43/14,615.26
  6. Step 6: Final answer
    x = 11,928.24

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Half scale
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Double scale
Find fourth proportional to 14,616.26, 20,167.87 and 8,645.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.