Home / 15,228.86-22,854.83-6,469.92

Finding the Fourth Proportional to 15,228.86, 22,854.83 and 6,469.92

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Solution

The fourth proportional to 15,228.86, 22,854.83 and 6,469.92 is: 9,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,228.86 : 22,854.83 = 6,469.92 : x
  2. Step 2: Convert to fraction form
    15,228.86/22,854.83 = 6,469.92/x
  3. Step 3: Cross multiply
    15,228.86x = 22,854.83 × 6,469.92
  4. Step 4: Simplify right side
    15,228.86x = 147,868,921.71
  5. Step 5: Solve for x
    x = 147,868,921.71/15,228.86
  6. Step 6: Final answer
    x = 9,709.78

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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.