Home / 22,379.18-33,555.98-9,215.87

Finding the Fourth Proportional to 22,379.18, 33,555.98 and 9,215.87

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Solution

The fourth proportional to 22,379.18, 33,555.98 and 9,215.87 is: 13,818.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,379.18 : 33,555.98 = 9,215.87 : x
  2. Step 2: Convert to fraction form
    22,379.18/33,555.98 = 9,215.87/x
  3. Step 3: Cross multiply
    22,379.18x = 33,555.98 × 9,215.87
  4. Step 4: Simplify right side
    22,379.18x = 309,247,404.66
  5. Step 5: Solve for x
    x = 309,247,404.66/22,379.18
  6. Step 6: Final answer
    x = 13,818.53

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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.