Home / 18,775.98-25,887.33-12,049.74

Finding the Fourth Proportional to 18,775.98, 25,887.33 and 12,049.74

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Solution

The fourth proportional to 18,775.98, 25,887.33 and 12,049.74 is: 16,613.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,775.98 : 25,887.33 = 12,049.74 : x
  2. Step 2: Convert to fraction form
    18,775.98/25,887.33 = 12,049.74/x
  3. Step 3: Cross multiply
    18,775.98x = 25,887.33 × 12,049.74
  4. Step 4: Simplify right side
    18,775.98x = 311,935,595.79
  5. Step 5: Solve for x
    x = 311,935,595.79/18,775.98
  6. Step 6: Final answer
    x = 16,613.55

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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.