Home / 21,301.16-29,387.22-14,232.20

Finding the Fourth Proportional to 21,301.16, 29,387.22 and 14,232.20

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Solution

The fourth proportional to 21,301.16, 29,387.22 and 14,232.20 is: 19,634.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,301.16 : 29,387.22 = 14,232.20 : x
  2. Step 2: Convert to fraction form
    21,301.16/29,387.22 = 14,232.20/x
  3. Step 3: Cross multiply
    21,301.16x = 29,387.22 × 14,232.20
  4. Step 4: Simplify right side
    21,301.16x = 418,244,792.48
  5. Step 5: Solve for x
    x = 418,244,792.48/21,301.16
  6. Step 6: Final answer
    x = 19,634.84

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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.