Home / 21,304.29-29,402.82-12,354.60

Finding the Fourth Proportional to 21,304.29, 29,402.82 and 12,354.60

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Solution

The fourth proportional to 21,304.29, 29,402.82 and 12,354.60 is: 17,051.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304.29 : 29,402.82 = 12,354.60 : x
  2. Step 2: Convert to fraction form
    21,304.29/29,402.82 = 12,354.60/x
  3. Step 3: Cross multiply
    21,304.29x = 29,402.82 × 12,354.60
  4. Step 4: Simplify right side
    21,304.29x = 363,260,079.97
  5. Step 5: Solve for x
    x = 363,260,079.97/21,304.29
  6. Step 6: Final answer
    x = 17,051.03

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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.