Home / 22,919.76-34,379.67-6,279.94

Finding the Fourth Proportional to 22,919.76, 34,379.67 and 6,279.94

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Solution

The fourth proportional to 22,919.76, 34,379.67 and 6,279.94 is: 9,419.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919.76 : 34,379.67 = 6,279.94 : x
  2. Step 2: Convert to fraction form
    22,919.76/34,379.67 = 6,279.94/x
  3. Step 3: Cross multiply
    22,919.76x = 34,379.67 × 6,279.94
  4. Step 4: Simplify right side
    22,919.76x = 215,902,178.87
  5. Step 5: Solve for x
    x = 215,902,178.87/22,919.76
  6. Step 6: Final answer
    x = 9,419.91

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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.