Home / 10,318.87-15,478.15-2,527.69

Finding the Fourth Proportional to 10,318.87, 15,478.15 and 2,527.69

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Solution

The fourth proportional to 10,318.87, 15,478.15 and 2,527.69 is: 3,791.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.87 : 15,478.15 = 2,527.69 : x
  2. Step 2: Convert to fraction form
    10,318.87/15,478.15 = 2,527.69/x
  3. Step 3: Cross multiply
    10,318.87x = 15,478.15 × 2,527.69
  4. Step 4: Simplify right side
    10,318.87x = 39,123,887.58
  5. Step 5: Solve for x
    x = 39,123,887.58/10,318.87
  6. Step 6: Final answer
    x = 3,791.49

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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.