Home / 12,049.10-16,630.36-7,334.90

Finding the Fourth Proportional to 12,049.10, 16,630.36 and 7,334.90

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Solution

The fourth proportional to 12,049.10, 16,630.36 and 7,334.90 is: 10,123.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.10 : 16,630.36 = 7,334.90 : x
  2. Step 2: Convert to fraction form
    12,049.10/16,630.36 = 7,334.90/x
  3. Step 3: Cross multiply
    12,049.10x = 16,630.36 × 7,334.90
  4. Step 4: Simplify right side
    12,049.10x = 121,982,027.56
  5. Step 5: Solve for x
    x = 121,982,027.56/12,049.10
  6. Step 6: Final answer
    x = 10,123.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.