Home / 10,974.38-16,470.80-10,282.40

Finding the Fourth Proportional to 10,974.38, 16,470.80 and 10,282.40

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Solution

The fourth proportional to 10,974.38, 16,470.80 and 10,282.40 is: 15,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,974.38 : 16,470.80 = 10,282.40 : x
  2. Step 2: Convert to fraction form
    10,974.38/16,470.80 = 10,282.40/x
  3. Step 3: Cross multiply
    10,974.38x = 16,470.80 × 10,282.40
  4. Step 4: Simplify right side
    10,974.38x = 169,359,339.29
  5. Step 5: Solve for x
    x = 169,359,339.29/10,974.38
  6. Step 6: Final answer
    x = 15,432.25

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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.