Home / 11,439.27-17,147.12-6,498.45

Finding the Fourth Proportional to 11,439.27, 17,147.12 and 6,498.45

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Solution

The fourth proportional to 11,439.27, 17,147.12 and 6,498.45 is: 9,740.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,439.27 : 17,147.12 = 6,498.45 : x
  2. Step 2: Convert to fraction form
    11,439.27/17,147.12 = 6,498.45/x
  3. Step 3: Cross multiply
    11,439.27x = 17,147.12 × 6,498.45
  4. Step 4: Simplify right side
    11,439.27x = 111,429,669.47
  5. Step 5: Solve for x
    x = 111,429,669.47/11,439.27
  6. Step 6: Final answer
    x = 9,740.98

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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.