Home / 10,290.74-15,436.12-2,499.56

Finding the Fourth Proportional to 10,290.74, 15,436.12 and 2,499.56

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Solution

The fourth proportional to 10,290.74, 15,436.12 and 2,499.56 is: 3,749.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.74 : 15,436.12 = 2,499.56 : x
  2. Step 2: Convert to fraction form
    10,290.74/15,436.12 = 2,499.56/x
  3. Step 3: Cross multiply
    10,290.74x = 15,436.12 × 2,499.56
  4. Step 4: Simplify right side
    10,290.74x = 38,583,508.11
  5. Step 5: Solve for x
    x = 38,583,508.11/10,290.74
  6. Step 6: Final answer
    x = 3,749.34

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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.