Home / 12,549.31-18,847.36-11,048.85

Finding the Fourth Proportional to 12,549.31, 18,847.36 and 11,048.85

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Solution

The fourth proportional to 12,549.31, 18,847.36 and 11,048.85 is: 16,593.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.31 : 18,847.36 = 11,048.85 : x
  2. Step 2: Convert to fraction form
    12,549.31/18,847.36 = 11,048.85/x
  3. Step 3: Cross multiply
    12,549.31x = 18,847.36 × 11,048.85
  4. Step 4: Simplify right side
    12,549.31x = 208,241,625.91
  5. Step 5: Solve for x
    x = 208,241,625.91/12,549.31
  6. Step 6: Final answer
    x = 16,593.87

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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.