Home / 11,318.40-16,950.24-5,757.12

Finding the Fourth Proportional to 11,318.40, 16,950.24 and 5,757.12

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Solution

The fourth proportional to 11,318.40, 16,950.24 and 5,757.12 is: 8,621.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.40 : 16,950.24 = 5,757.12 : x
  2. Step 2: Convert to fraction form
    11,318.40/16,950.24 = 5,757.12/x
  3. Step 3: Cross multiply
    11,318.40x = 16,950.24 × 5,757.12
  4. Step 4: Simplify right side
    11,318.40x = 97,584,565.71
  5. Step 5: Solve for x
    x = 97,584,565.71/11,318.40
  6. Step 6: Final answer
    x = 8,621.76

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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.