Home / 15,224.47-21,013.16-9,254.87

Finding the Fourth Proportional to 15,224.47, 21,013.16 and 9,254.87

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Solution

The fourth proportional to 15,224.47, 21,013.16 and 9,254.87 is: 12,773.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,224.47 : 21,013.16 = 9,254.87 : x
  2. Step 2: Convert to fraction form
    15,224.47/21,013.16 = 9,254.87/x
  3. Step 3: Cross multiply
    15,224.47x = 21,013.16 × 9,254.87
  4. Step 4: Simplify right side
    15,224.47x = 194,474,070.35
  5. Step 5: Solve for x
    x = 194,474,070.35/15,224.47
  6. Step 6: Final answer
    x = 12,773.78

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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.