Home / 16,882.18-25,318.95-7,988.74

Finding the Fourth Proportional to 16,882.18, 25,318.95 and 7,988.74

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Solution

The fourth proportional to 16,882.18, 25,318.95 and 7,988.74 is: 11,981.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,882.18 : 25,318.95 = 7,988.74 : x
  2. Step 2: Convert to fraction form
    16,882.18/25,318.95 = 7,988.74/x
  3. Step 3: Cross multiply
    16,882.18x = 25,318.95 × 7,988.74
  4. Step 4: Simplify right side
    16,882.18x = 202,266,508.62
  5. Step 5: Solve for x
    x = 202,266,508.62/16,882.18
  6. Step 6: Final answer
    x = 11,981.07

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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.