Home / 12,500.32-17,251.04-6,911.68

Finding the Fourth Proportional to 12,500.32, 17,251.04 and 6,911.68

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Solution

The fourth proportional to 12,500.32, 17,251.04 and 6,911.68 is: 9,538.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.32 : 17,251.04 = 6,911.68 : x
  2. Step 2: Convert to fraction form
    12,500.32/17,251.04 = 6,911.68/x
  3. Step 3: Cross multiply
    12,500.32x = 17,251.04 × 6,911.68
  4. Step 4: Simplify right side
    12,500.32x = 119,233,668.15
  5. Step 5: Solve for x
    x = 119,233,668.15/12,500.32
  6. Step 6: Final answer
    x = 9,538.45

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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.