Home / 12,508.87-17,262.66-7,132.09

Finding the Fourth Proportional to 12,508.87, 17,262.66 and 7,132.09

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Solution

The fourth proportional to 12,508.87, 17,262.66 and 7,132.09 is: 9,842.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508.87 : 17,262.66 = 7,132.09 : x
  2. Step 2: Convert to fraction form
    12,508.87/17,262.66 = 7,132.09/x
  3. Step 3: Cross multiply
    12,508.87x = 17,262.66 × 7,132.09
  4. Step 4: Simplify right side
    12,508.87x = 123,118,758.45
  5. Step 5: Solve for x
    x = 123,118,758.45/12,508.87
  6. Step 6: Final answer
    x = 9,842.52

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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.