Home / 10,519.16-15,776.51-3,945.83

Finding the Fourth Proportional to 10,519.16, 15,776.51 and 3,945.83

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Solution

The fourth proportional to 10,519.16, 15,776.51 and 3,945.83 is: 5,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519.16 : 15,776.51 = 3,945.83 : x
  2. Step 2: Convert to fraction form
    10,519.16/15,776.51 = 3,945.83/x
  3. Step 3: Cross multiply
    10,519.16x = 15,776.51 × 3,945.83
  4. Step 4: Simplify right side
    10,519.16x = 62,251,327.84
  5. Step 5: Solve for x
    x = 62,251,327.84/10,519.16
  6. Step 6: Final answer
    x = 5,917.90

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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.