Home / 17,398.95-26,098.30-4,251.21

Finding the Fourth Proportional to 17,398.95, 26,098.30 and 4,251.21

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Solution

The fourth proportional to 17,398.95, 26,098.30 and 4,251.21 is: 6,376.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,398.95 : 26,098.30 = 4,251.21 : x
  2. Step 2: Convert to fraction form
    17,398.95/26,098.30 = 4,251.21/x
  3. Step 3: Cross multiply
    17,398.95x = 26,098.30 × 4,251.21
  4. Step 4: Simplify right side
    17,398.95x = 110,949,353.94
  5. Step 5: Solve for x
    x = 110,949,353.94/17,398.95
  6. Step 6: Final answer
    x = 6,376.78

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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.