Home / 14,136.10-21,204.15-8,304.10

Finding the Fourth Proportional to 14,136.10, 21,204.15 and 8,304.10

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Solution

The fourth proportional to 14,136.10, 21,204.15 and 8,304.10 is: 12,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.10 : 21,204.15 = 8,304.10 : x
  2. Step 2: Convert to fraction form
    14,136.10/21,204.15 = 8,304.10/x
  3. Step 3: Cross multiply
    14,136.10x = 21,204.15 × 8,304.10
  4. Step 4: Simplify right side
    14,136.10x = 176,081,382.02
  5. Step 5: Solve for x
    x = 176,081,382.02/14,136.10
  6. Step 6: Final answer
    x = 12,456.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.