Home / 10,179.62-15,279.15-6,291.62

Finding the Fourth Proportional to 10,179.62, 15,279.15 and 6,291.62

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Solution

The fourth proportional to 10,179.62, 15,279.15 and 6,291.62 is: 9,443.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179.62 : 15,279.15 = 6,291.62 : x
  2. Step 2: Convert to fraction form
    10,179.62/15,279.15 = 6,291.62/x
  3. Step 3: Cross multiply
    10,179.62x = 15,279.15 × 6,291.62
  4. Step 4: Simplify right side
    10,179.62x = 96,130,605.72
  5. Step 5: Solve for x
    x = 96,130,605.72/10,179.62
  6. Step 6: Final answer
    x = 9,443.44

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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.