Home / 10,417.64-15,617.82-3,842.60

Finding the Fourth Proportional to 10,417.64, 15,617.82 and 3,842.60

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Solution

The fourth proportional to 10,417.64, 15,617.82 and 3,842.60 is: 5,760.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.64 : 15,617.82 = 3,842.60 : x
  2. Step 2: Convert to fraction form
    10,417.64/15,617.82 = 3,842.60/x
  3. Step 3: Cross multiply
    10,417.64x = 15,617.82 × 3,842.60
  4. Step 4: Simplify right side
    10,417.64x = 60,013,035.13
  5. Step 5: Solve for x
    x = 60,013,035.13/10,417.64
  6. Step 6: Final answer
    x = 5,760.71

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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.