Home / 10,251.10-15,383.85-4,411.90

Finding the Fourth Proportional to 10,251.10, 15,383.85 and 4,411.90

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Solution

The fourth proportional to 10,251.10, 15,383.85 and 4,411.90 is: 6,620.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.10 : 15,383.85 = 4,411.90 : x
  2. Step 2: Convert to fraction form
    10,251.10/15,383.85 = 4,411.90/x
  3. Step 3: Cross multiply
    10,251.10x = 15,383.85 × 4,411.90
  4. Step 4: Simplify right side
    10,251.10x = 67,872,007.82
  5. Step 5: Solve for x
    x = 67,872,007.82/10,251.10
  6. Step 6: Final answer
    x = 6,620.95

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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.