Home / 22,134.90-30,540.75-14,187.89

Finding the Fourth Proportional to 22,134.90, 30,540.75 and 14,187.89

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Solution

The fourth proportional to 22,134.90, 30,540.75 and 14,187.89 is: 19,575.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,134.90 : 30,540.75 = 14,187.89 : x
  2. Step 2: Convert to fraction form
    22,134.90/30,540.75 = 14,187.89/x
  3. Step 3: Cross multiply
    22,134.90x = 30,540.75 × 14,187.89
  4. Step 4: Simplify right side
    22,134.90x = 433,308,904.47
  5. Step 5: Solve for x
    x = 433,308,904.47/22,134.90
  6. Step 6: Final answer
    x = 19,575.82

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1.5x scale

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.