Home / 22,444.62-30,962-13,488.80

Finding the Fourth Proportional to 22,444.62, 30,962 and 13,488.80

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Solution

The fourth proportional to 22,444.62, 30,962 and 13,488.80 is: 18,607.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,444.62 : 30,962 = 13,488.80 : x
  2. Step 2: Convert to fraction form
    22,444.62/30,962 = 13,488.80/x
  3. Step 3: Cross multiply
    22,444.62x = 30,962 × 13,488.80
  4. Step 4: Simplify right side
    22,444.62x = 417,640,225.60
  5. Step 5: Solve for x
    x = 417,640,225.60/22,444.62
  6. Step 6: Final answer
    x = 18,607.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.