Home / 21,314.46-29,400.96-14,144.76

Finding the Fourth Proportional to 21,314.46, 29,400.96 and 14,144.76

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Solution

The fourth proportional to 21,314.46, 29,400.96 and 14,144.76 is: 19,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,314.46 : 29,400.96 = 14,144.76 : x
  2. Step 2: Convert to fraction form
    21,314.46/29,400.96 = 14,144.76/x
  3. Step 3: Cross multiply
    21,314.46x = 29,400.96 × 14,144.76
  4. Step 4: Simplify right side
    21,314.46x = 415,869,522.97
  5. Step 5: Solve for x
    x = 415,869,522.97/21,314.46
  6. Step 6: Final answer
    x = 19,511.15

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Double scale
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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.