Home / 10,235.46-15,349.92-3,993.95

Finding the Fourth Proportional to 10,235.46, 15,349.92 and 3,993.95

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Solution

The fourth proportional to 10,235.46, 15,349.92 and 3,993.95 is: 5,989.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,235.46 : 15,349.92 = 3,993.95 : x
  2. Step 2: Convert to fraction form
    10,235.46/15,349.92 = 3,993.95/x
  3. Step 3: Cross multiply
    10,235.46x = 15,349.92 × 3,993.95
  4. Step 4: Simplify right side
    10,235.46x = 61,306,812.98
  5. Step 5: Solve for x
    x = 61,306,812.98/10,235.46
  6. Step 6: Final answer
    x = 5,989.65

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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.