Home / 12,590.08-18,882.20-5,566.28

Finding the Fourth Proportional to 12,590.08, 18,882.20 and 5,566.28

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Solution

The fourth proportional to 12,590.08, 18,882.20 and 5,566.28 is: 8,348.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590.08 : 18,882.20 = 5,566.28 : x
  2. Step 2: Convert to fraction form
    12,590.08/18,882.20 = 5,566.28/x
  3. Step 3: Cross multiply
    12,590.08x = 18,882.20 × 5,566.28
  4. Step 4: Simplify right side
    12,590.08x = 105,103,531.72
  5. Step 5: Solve for x
    x = 105,103,531.72/12,590.08
  6. Step 6: Final answer
    x = 8,348.12

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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.