Home / 10,186.20-15,280.11-4,639.73

Finding the Fourth Proportional to 10,186.20, 15,280.11 and 4,639.73

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Solution

The fourth proportional to 10,186.20, 15,280.11 and 4,639.73 is: 6,959.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.20 : 15,280.11 = 4,639.73 : x
  2. Step 2: Convert to fraction form
    10,186.20/15,280.11 = 4,639.73/x
  3. Step 3: Cross multiply
    10,186.20x = 15,280.11 × 4,639.73
  4. Step 4: Simplify right side
    10,186.20x = 70,895,508.37
  5. Step 5: Solve for x
    x = 70,895,508.37/10,186.20
  6. Step 6: Final answer
    x = 6,959.96

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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.