Home / 15,614.29-21,541.67-9,948.02

Finding the Fourth Proportional to 15,614.29, 21,541.67 and 9,948.02

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Solution

The fourth proportional to 15,614.29, 21,541.67 and 9,948.02 is: 13,724.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614.29 : 21,541.67 = 9,948.02 : x
  2. Step 2: Convert to fraction form
    15,614.29/21,541.67 = 9,948.02/x
  3. Step 3: Cross multiply
    15,614.29x = 21,541.67 × 9,948.02
  4. Step 4: Simplify right side
    15,614.29x = 214,296,997.63
  5. Step 5: Solve for x
    x = 214,296,997.63/15,614.29
  6. Step 6: Final answer
    x = 13,724.42

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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.