Home / 18,658.18-25,747.50-10,694.89

Finding the Fourth Proportional to 18,658.18, 25,747.50 and 10,694.89

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Solution

The fourth proportional to 18,658.18, 25,747.50 and 10,694.89 is: 14,758.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,658.18 : 25,747.50 = 10,694.89 : x
  2. Step 2: Convert to fraction form
    18,658.18/25,747.50 = 10,694.89/x
  3. Step 3: Cross multiply
    18,658.18x = 25,747.50 × 10,694.89
  4. Step 4: Simplify right side
    18,658.18x = 275,366,680.28
  5. Step 5: Solve for x
    x = 275,366,680.28/18,658.18
  6. Step 6: Final answer
    x = 14,758.50

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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.