Home / 10,134.78-15,157.80-6,175.10

Finding the Fourth Proportional to 10,134.78, 15,157.80 and 6,175.10

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Solution

The fourth proportional to 10,134.78, 15,157.80 and 6,175.10 is: 9,235.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.78 : 15,157.80 = 6,175.10 : x
  2. Step 2: Convert to fraction form
    10,134.78/15,157.80 = 6,175.10/x
  3. Step 3: Cross multiply
    10,134.78x = 15,157.80 × 6,175.10
  4. Step 4: Simplify right side
    10,134.78x = 93,600,854.99
  5. Step 5: Solve for x
    x = 93,600,854.99/10,134.78
  6. Step 6: Final answer
    x = 9,235.61

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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.