Home / 21,449.41-29,590.17-13,496.02

Finding the Fourth Proportional to 21,449.41, 29,590.17 and 13,496.02

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Solution

The fourth proportional to 21,449.41, 29,590.17 and 13,496.02 is: 18,618.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,449.41 : 29,590.17 = 13,496.02 : x
  2. Step 2: Convert to fraction form
    21,449.41/29,590.17 = 13,496.02/x
  3. Step 3: Cross multiply
    21,449.41x = 29,590.17 × 13,496.02
  4. Step 4: Simplify right side
    21,449.41x = 399,349,398.29
  5. Step 5: Solve for x
    x = 399,349,398.29/21,449.41
  6. Step 6: Final answer
    x = 18,618.20

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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.