Home / 10,453.12-15,679.68-3,527.62

Finding the Fourth Proportional to 10,453.12, 15,679.68 and 3,527.62

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Solution

The fourth proportional to 10,453.12, 15,679.68 and 3,527.62 is: 5,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,453.12 : 15,679.68 = 3,527.62 : x
  2. Step 2: Convert to fraction form
    10,453.12/15,679.68 = 3,527.62/x
  3. Step 3: Cross multiply
    10,453.12x = 15,679.68 × 3,527.62
  4. Step 4: Simplify right side
    10,453.12x = 55,311,952.76
  5. Step 5: Solve for x
    x = 55,311,952.76/10,453.12
  6. Step 6: Final answer
    x = 5,291.43

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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.