Home / 10,070.62-15,115.54-6,182.62

Finding the Fourth Proportional to 10,070.62, 15,115.54 and 6,182.62

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Solution

The fourth proportional to 10,070.62, 15,115.54 and 6,182.62 is: 9,279.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.62 : 15,115.54 = 6,182.62 : x
  2. Step 2: Convert to fraction form
    10,070.62/15,115.54 = 6,182.62/x
  3. Step 3: Cross multiply
    10,070.62x = 15,115.54 × 6,182.62
  4. Step 4: Simplify right side
    10,070.62x = 93,453,639.91
  5. Step 5: Solve for x
    x = 93,453,639.91/10,070.62
  6. Step 6: Final answer
    x = 9,279.83

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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.