Home / 14,605.80-20,157.57-8,317.50

Finding the Fourth Proportional to 14,605.80, 20,157.57 and 8,317.50

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Solution

The fourth proportional to 14,605.80, 20,157.57 and 8,317.50 is: 11,479.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,605.80 : 20,157.57 = 8,317.50 : x
  2. Step 2: Convert to fraction form
    14,605.80/20,157.57 = 8,317.50/x
  3. Step 3: Cross multiply
    14,605.80x = 20,157.57 × 8,317.50
  4. Step 4: Simplify right side
    14,605.80x = 167,660,588.48
  5. Step 5: Solve for x
    x = 167,660,588.48/14,605.80
  6. Step 6: Final answer
    x = 11,479.04

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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.