Home / 16,869.28-25,295.46-8,976.28

Finding the Fourth Proportional to 16,869.28, 25,295.46 and 8,976.28

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Solution

The fourth proportional to 16,869.28, 25,295.46 and 8,976.28 is: 13,459.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.28 : 25,295.46 = 8,976.28 : x
  2. Step 2: Convert to fraction form
    16,869.28/25,295.46 = 8,976.28/x
  3. Step 3: Cross multiply
    16,869.28x = 25,295.46 × 8,976.28
  4. Step 4: Simplify right side
    16,869.28x = 227,059,131.69
  5. Step 5: Solve for x
    x = 227,059,131.69/16,869.28
  6. Step 6: Final answer
    x = 13,459.92

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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.