Home / 10,005.10-15,007.65-4,461.10

Finding the Fourth Proportional to 10,005.10, 15,007.65 and 4,461.10

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Solution

The fourth proportional to 10,005.10, 15,007.65 and 4,461.10 is: 6,691.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005.10 : 15,007.65 = 4,461.10 : x
  2. Step 2: Convert to fraction form
    10,005.10/15,007.65 = 4,461.10/x
  3. Step 3: Cross multiply
    10,005.10x = 15,007.65 × 4,461.10
  4. Step 4: Simplify right side
    10,005.10x = 66,950,627.42
  5. Step 5: Solve for x
    x = 66,950,627.42/10,005.10
  6. Step 6: Final answer
    x = 6,691.65

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Similar ratio
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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.