Home / 10,363.34-15,507.66-8,919.92

Finding the Fourth Proportional to 10,363.34, 15,507.66 and 8,919.92

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Solution

The fourth proportional to 10,363.34, 15,507.66 and 8,919.92 is: 13,347.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.34 : 15,507.66 = 8,919.92 : x
  2. Step 2: Convert to fraction form
    10,363.34/15,507.66 = 8,919.92/x
  3. Step 3: Cross multiply
    10,363.34x = 15,507.66 × 8,919.92
  4. Step 4: Simplify right side
    10,363.34x = 138,327,086.59
  5. Step 5: Solve for x
    x = 138,327,086.59/10,363.34
  6. Step 6: Final answer
    x = 13,347.73

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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.