Home / 15,614.01-21,541.28-9,947.74

Finding the Fourth Proportional to 15,614.01, 21,541.28 and 9,947.74

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Solution

The fourth proportional to 15,614.01, 21,541.28 and 9,947.74 is: 13,724.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614.01 : 21,541.28 = 9,947.74 : x
  2. Step 2: Convert to fraction form
    15,614.01/21,541.28 = 9,947.74/x
  3. Step 3: Cross multiply
    15,614.01x = 21,541.28 × 9,947.74
  4. Step 4: Simplify right side
    15,614.01x = 214,287,061.76
  5. Step 5: Solve for x
    x = 214,287,061.76/15,614.01
  6. Step 6: Final answer
    x = 13,724.03

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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.