Home / 10,147.68-13,997.52-6,959.52

Finding the Fourth Proportional to 10,147.68, 13,997.52 and 6,959.52

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Solution

The fourth proportional to 10,147.68, 13,997.52 and 6,959.52 is: 9,599.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.68 : 13,997.52 = 6,959.52 : x
  2. Step 2: Convert to fraction form
    10,147.68/13,997.52 = 6,959.52/x
  3. Step 3: Cross multiply
    10,147.68x = 13,997.52 × 6,959.52
  4. Step 4: Simplify right side
    10,147.68x = 97,416,020.39
  5. Step 5: Solve for x
    x = 97,416,020.39/10,147.68
  6. Step 6: Final answer
    x = 9,599.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.