Home / 12,508.08-17,263.18-7,201.78

Finding the Fourth Proportional to 12,508.08, 17,263.18 and 7,201.78

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Solution

The fourth proportional to 12,508.08, 17,263.18 and 7,201.78 is: 9,939.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508.08 : 17,263.18 = 7,201.78 : x
  2. Step 2: Convert to fraction form
    12,508.08/17,263.18 = 7,201.78/x
  3. Step 3: Cross multiply
    12,508.08x = 17,263.18 × 7,201.78
  4. Step 4: Simplify right side
    12,508.08x = 124,325,624.46
  5. Step 5: Solve for x
    x = 124,325,624.46/12,508.08
  6. Step 6: Final answer
    x = 9,939.62

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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.