Home / 21,200.74-29,253.25-12,244.97

Finding the Fourth Proportional to 21,200.74, 29,253.25 and 12,244.97

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Solution

The fourth proportional to 21,200.74, 29,253.25 and 12,244.97 is: 16,895.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,200.74 : 29,253.25 = 12,244.97 : x
  2. Step 2: Convert to fraction form
    21,200.74/29,253.25 = 12,244.97/x
  3. Step 3: Cross multiply
    21,200.74x = 29,253.25 × 12,244.97
  4. Step 4: Simplify right side
    21,200.74x = 358,205,257.09
  5. Step 5: Solve for x
    x = 358,205,257.09/21,200.74
  6. Step 6: Final answer
    x = 16,895.89

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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.