Home / 10,160.77-15,241.91-2,765.81

Finding the Fourth Proportional to 10,160.77, 15,241.91 and 2,765.81

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Solution

The fourth proportional to 10,160.77, 15,241.91 and 2,765.81 is: 4,148.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,160.77 : 15,241.91 = 2,765.81 : x
  2. Step 2: Convert to fraction form
    10,160.77/15,241.91 = 2,765.81/x
  3. Step 3: Cross multiply
    10,160.77x = 15,241.91 × 2,765.81
  4. Step 4: Simplify right side
    10,160.77x = 42,156,227.10
  5. Step 5: Solve for x
    x = 42,156,227.10/10,160.77
  6. Step 6: Final answer
    x = 4,148.92

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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.