Home / 10,327.70-15,491.55-7,433.30

Finding the Fourth Proportional to 10,327.70, 15,491.55 and 7,433.30

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Solution

The fourth proportional to 10,327.70, 15,491.55 and 7,433.30 is: 11,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,327.70 : 15,491.55 = 7,433.30 : x
  2. Step 2: Convert to fraction form
    10,327.70/15,491.55 = 7,433.30/x
  3. Step 3: Cross multiply
    10,327.70x = 15,491.55 × 7,433.30
  4. Step 4: Simplify right side
    10,327.70x = 115,153,338.62
  5. Step 5: Solve for x
    x = 115,153,338.62/10,327.70
  6. Step 6: Final answer
    x = 11,149.95

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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.