Home / 22,170-33,254.96-12,929.52

Finding the Fourth Proportional to 22,170, 33,254.96 and 12,929.52

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Solution

The fourth proportional to 22,170, 33,254.96 and 12,929.52 is: 19,394.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170 : 33,254.96 = 12,929.52 : x
  2. Step 2: Convert to fraction form
    22,170/33,254.96 = 12,929.52/x
  3. Step 3: Cross multiply
    22,170x = 33,254.96 × 12,929.52
  4. Step 4: Simplify right side
    22,170x = 429,970,670.42
  5. Step 5: Solve for x
    x = 429,970,670.42/22,170
  6. Step 6: Final answer
    x = 19,394.26

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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.