Home / 23,317.82-34,987.05-12,221.87

Finding the Fourth Proportional to 23,317.82, 34,987.05 and 12,221.87

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Solution

The fourth proportional to 23,317.82, 34,987.05 and 12,221.87 is: 18,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,317.82 : 34,987.05 = 12,221.87 : x
  2. Step 2: Convert to fraction form
    23,317.82/34,987.05 = 12,221.87/x
  3. Step 3: Cross multiply
    23,317.82x = 34,987.05 × 12,221.87
  4. Step 4: Simplify right side
    23,317.82x = 427,607,001.85
  5. Step 5: Solve for x
    x = 427,607,001.85/23,317.82
  6. Step 6: Final answer
    x = 18,338.21

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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.