Home / 17,665.30-26,498.90-4,517.78

Finding the Fourth Proportional to 17,665.30, 26,498.90 and 4,517.78

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Solution

The fourth proportional to 17,665.30, 26,498.90 and 4,517.78 is: 6,776.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,665.30 : 26,498.90 = 4,517.78 : x
  2. Step 2: Convert to fraction form
    17,665.30/26,498.90 = 4,517.78/x
  3. Step 3: Cross multiply
    17,665.30x = 26,498.90 × 4,517.78
  4. Step 4: Simplify right side
    17,665.30x = 119,716,200.44
  5. Step 5: Solve for x
    x = 119,716,200.44/17,665.30
  6. Step 6: Final answer
    x = 6,776.91

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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.