Home / 15,078.71-22,610.87-6,758.79

Finding the Fourth Proportional to 15,078.71, 22,610.87 and 6,758.79

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Solution

The fourth proportional to 15,078.71, 22,610.87 and 6,758.79 is: 10,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,078.71 : 22,610.87 = 6,758.79 : x
  2. Step 2: Convert to fraction form
    15,078.71/22,610.87 = 6,758.79/x
  3. Step 3: Cross multiply
    15,078.71x = 22,610.87 × 6,758.79
  4. Step 4: Simplify right side
    15,078.71x = 152,822,122.05
  5. Step 5: Solve for x
    x = 152,822,122.05/15,078.71
  6. Step 6: Final answer
    x = 10,134.96

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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.