Home / 12,508.97-18,772.67-10,073.19

Finding the Fourth Proportional to 12,508.97, 18,772.67 and 10,073.19

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Solution

The fourth proportional to 12,508.97, 18,772.67 and 10,073.19 is: 15,117.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508.97 : 18,772.67 = 10,073.19 : x
  2. Step 2: Convert to fraction form
    12,508.97/18,772.67 = 10,073.19/x
  3. Step 3: Cross multiply
    12,508.97x = 18,772.67 × 10,073.19
  4. Step 4: Simplify right side
    12,508.97x = 189,100,767.30
  5. Step 5: Solve for x
    x = 189,100,767.30/12,508.97
  6. Step 6: Final answer
    x = 15,117.22

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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.