Home / 10,260.62-15,391.67-3,686.85

Finding the Fourth Proportional to 10,260.62, 15,391.67 and 3,686.85

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Solution

The fourth proportional to 10,260.62, 15,391.67 and 3,686.85 is: 5,530.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.62 : 15,391.67 = 3,686.85 : x
  2. Step 2: Convert to fraction form
    10,260.62/15,391.67 = 3,686.85/x
  3. Step 3: Cross multiply
    10,260.62x = 15,391.67 × 3,686.85
  4. Step 4: Simplify right side
    10,260.62x = 56,746,760.11
  5. Step 5: Solve for x
    x = 56,746,760.11/10,260.62
  6. Step 6: Final answer
    x = 5,530.54

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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.