Home / 12,427.98-18,641.97-5,031.06

Finding the Fourth Proportional to 12,427.98, 18,641.97 and 5,031.06

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Solution

The fourth proportional to 12,427.98, 18,641.97 and 5,031.06 is: 7,546.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427.98 : 18,641.97 = 5,031.06 : x
  2. Step 2: Convert to fraction form
    12,427.98/18,641.97 = 5,031.06/x
  3. Step 3: Cross multiply
    12,427.98x = 18,641.97 × 5,031.06
  4. Step 4: Simplify right side
    12,427.98x = 93,788,869.59
  5. Step 5: Solve for x
    x = 93,788,869.59/12,427.98
  6. Step 6: Final answer
    x = 7,546.59

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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.