Home / 22,987.06-34,470.87-7,187.85

Finding the Fourth Proportional to 22,987.06, 34,470.87 and 7,187.85

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Solution

The fourth proportional to 22,987.06, 34,470.87 and 7,187.85 is: 10,778.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,987.06 : 34,470.87 = 7,187.85 : x
  2. Step 2: Convert to fraction form
    22,987.06/34,470.87 = 7,187.85/x
  3. Step 3: Cross multiply
    22,987.06x = 34,470.87 × 7,187.85
  4. Step 4: Simplify right side
    22,987.06x = 247,771,442.93
  5. Step 5: Solve for x
    x = 247,771,442.93/22,987.06
  6. Step 6: Final answer
    x = 10,778.74

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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.