Home / 21,084.17-29,096.10-11,652.71

Finding the Fourth Proportional to 21,084.17, 29,096.10 and 11,652.71

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Solution

The fourth proportional to 21,084.17, 29,096.10 and 11,652.71 is: 16,080.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,084.17 : 29,096.10 = 11,652.71 : x
  2. Step 2: Convert to fraction form
    21,084.17/29,096.10 = 11,652.71/x
  3. Step 3: Cross multiply
    21,084.17x = 29,096.10 × 11,652.71
  4. Step 4: Simplify right side
    21,084.17x = 339,048,269.95
  5. Step 5: Solve for x
    x = 339,048,269.95/21,084.17
  6. Step 6: Final answer
    x = 16,080.71

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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.