Home / 8,330.18-12,514.64-7,882.28

Finding the Fourth Proportional to 8,330.18, 12,514.64 and 7,882.28

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Solution

The fourth proportional to 8,330.18, 12,514.64 and 7,882.28 is: 11,841.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.18 : 12,514.64 = 7,882.28 : x
  2. Step 2: Convert to fraction form
    8,330.18/12,514.64 = 7,882.28/x
  3. Step 3: Cross multiply
    8,330.18x = 12,514.64 × 7,882.28
  4. Step 4: Simplify right side
    8,330.18x = 98,643,896.58
  5. Step 5: Solve for x
    x = 98,643,896.58/8,330.18
  6. Step 6: Final answer
    x = 11,841.75

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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.