Home / 10,445.92-15,668.88-5,250.56

Finding the Fourth Proportional to 10,445.92, 15,668.88 and 5,250.56

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Solution

The fourth proportional to 10,445.92, 15,668.88 and 5,250.56 is: 7,875.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.92 : 15,668.88 = 5,250.56 : x
  2. Step 2: Convert to fraction form
    10,445.92/15,668.88 = 5,250.56/x
  3. Step 3: Cross multiply
    10,445.92x = 15,668.88 × 5,250.56
  4. Step 4: Simplify right side
    10,445.92x = 82,270,394.57
  5. Step 5: Solve for x
    x = 82,270,394.57/10,445.92
  6. Step 6: Final answer
    x = 7,875.84

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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.