Home / 21,302.84-29,397.54-11,612.38

Finding the Fourth Proportional to 21,302.84, 29,397.54 and 11,612.38

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Solution

The fourth proportional to 21,302.84, 29,397.54 and 11,612.38 is: 16,024.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,302.84 : 29,397.54 = 11,612.38 : x
  2. Step 2: Convert to fraction form
    21,302.84/29,397.54 = 11,612.38/x
  3. Step 3: Cross multiply
    21,302.84x = 29,397.54 × 11,612.38
  4. Step 4: Simplify right side
    21,302.84x = 341,375,405.55
  5. Step 5: Solve for x
    x = 341,375,405.55/21,302.84
  6. Step 6: Final answer
    x = 16,024.88

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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.