Home / 15,724.10-21,684.40-10,337.02

Finding the Fourth Proportional to 15,724.10, 21,684.40 and 10,337.02

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Solution

The fourth proportional to 15,724.10, 21,684.40 and 10,337.02 is: 14,255.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,724.10 : 21,684.40 = 10,337.02 : x
  2. Step 2: Convert to fraction form
    15,724.10/21,684.40 = 10,337.02/x
  3. Step 3: Cross multiply
    15,724.10x = 21,684.40 × 10,337.02
  4. Step 4: Simplify right side
    15,724.10x = 224,152,076.49
  5. Step 5: Solve for x
    x = 224,152,076.49/15,724.10
  6. Step 6: Final answer
    x = 14,255.32

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