Home / 10,882.15-15,018.01-6,404.87

Finding the Fourth Proportional to 10,882.15, 15,018.01 and 6,404.87

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Solution

The fourth proportional to 10,882.15, 15,018.01 and 6,404.87 is: 8,839.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.15 : 15,018.01 = 6,404.87 : x
  2. Step 2: Convert to fraction form
    10,882.15/15,018.01 = 6,404.87/x
  3. Step 3: Cross multiply
    10,882.15x = 15,018.01 × 6,404.87
  4. Step 4: Simplify right side
    10,882.15x = 96,188,423.24
  5. Step 5: Solve for x
    x = 96,188,423.24/10,882.15
  6. Step 6: Final answer
    x = 8,839.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.