Home / 17,789.80-26,658.78-10,000.84

Finding the Fourth Proportional to 17,789.80, 26,658.78 and 10,000.84

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Solution

The fourth proportional to 17,789.80, 26,658.78 and 10,000.84 is: 14,986.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,789.80 : 26,658.78 = 10,000.84 : x
  2. Step 2: Convert to fraction form
    17,789.80/26,658.78 = 10,000.84/x
  3. Step 3: Cross multiply
    17,789.80x = 26,658.78 × 10,000.84
  4. Step 4: Simplify right side
    17,789.80x = 266,610,193.38
  5. Step 5: Solve for x
    x = 266,610,193.38/17,789.80
  6. Step 6: Final answer
    x = 14,986.69

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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.