Home / 21,445.01-29,593.69-11,884.70

Finding the Fourth Proportional to 21,445.01, 29,593.69 and 11,884.70

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Solution

The fourth proportional to 21,445.01, 29,593.69 and 11,884.70 is: 16,400.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445.01 : 29,593.69 = 11,884.70 : x
  2. Step 2: Convert to fraction form
    21,445.01/29,593.69 = 11,884.70/x
  3. Step 3: Cross multiply
    21,445.01x = 29,593.69 × 11,884.70
  4. Step 4: Simplify right side
    21,445.01x = 351,712,105.41
  5. Step 5: Solve for x
    x = 351,712,105.41/21,445.01
  6. Step 6: Final answer
    x = 16,400.65

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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.