Home / 14,239.22-21,346.72-8,696.46

Finding the Fourth Proportional to 14,239.22, 21,346.72 and 8,696.46

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Solution

The fourth proportional to 14,239.22, 21,346.72 and 8,696.46 is: 13,037.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.22 : 21,346.72 = 8,696.46 : x
  2. Step 2: Convert to fraction form
    14,239.22/21,346.72 = 8,696.46/x
  3. Step 3: Cross multiply
    14,239.22x = 21,346.72 × 8,696.46
  4. Step 4: Simplify right side
    14,239.22x = 185,640,945.47
  5. Step 5: Solve for x
    x = 185,640,945.47/14,239.22
  6. Step 6: Final answer
    x = 13,037.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.