Home / 10,520.16-15,775.62-3,941.74

Finding the Fourth Proportional to 10,520.16, 15,775.62 and 3,941.74

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Solution

The fourth proportional to 10,520.16, 15,775.62 and 3,941.74 is: 5,910.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520.16 : 15,775.62 = 3,941.74 : x
  2. Step 2: Convert to fraction form
    10,520.16/15,775.62 = 3,941.74/x
  3. Step 3: Cross multiply
    10,520.16x = 15,775.62 × 3,941.74
  4. Step 4: Simplify right side
    10,520.16x = 62,183,392.38
  5. Step 5: Solve for x
    x = 62,183,392.38/10,520.16
  6. Step 6: Final answer
    x = 5,910.88

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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.