Home / 12,531.69-17,249.90-11,350.71

Finding the Fourth Proportional to 12,531.69, 17,249.90 and 11,350.71

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Solution

The fourth proportional to 12,531.69, 17,249.90 and 11,350.71 is: 15,624.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.69 : 17,249.90 = 11,350.71 : x
  2. Step 2: Convert to fraction form
    12,531.69/17,249.90 = 11,350.71/x
  3. Step 3: Cross multiply
    12,531.69x = 17,249.90 × 11,350.71
  4. Step 4: Simplify right side
    12,531.69x = 195,798,555.68
  5. Step 5: Solve for x
    x = 195,798,555.68/12,531.69
  6. Step 6: Final answer
    x = 15,624.27

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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.