Home / 10,033.18-15,064.38-7,408.78

Finding the Fourth Proportional to 10,033.18, 15,064.38 and 7,408.78

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Solution

The fourth proportional to 10,033.18, 15,064.38 and 7,408.78 is: 11,123.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,033.18 : 15,064.38 = 7,408.78 : x
  2. Step 2: Convert to fraction form
    10,033.18/15,064.38 = 7,408.78/x
  3. Step 3: Cross multiply
    10,033.18x = 15,064.38 × 7,408.78
  4. Step 4: Simplify right side
    10,033.18x = 111,608,677.26
  5. Step 5: Solve for x
    x = 111,608,677.26/10,033.18
  6. Step 6: Final answer
    x = 11,123.96

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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.