Home / 21,654.78-32,484.24-6,072.36

Finding the Fourth Proportional to 21,654.78, 32,484.24 and 6,072.36

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Solution

The fourth proportional to 21,654.78, 32,484.24 and 6,072.36 is: 9,109.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,654.78 : 32,484.24 = 6,072.36 : x
  2. Step 2: Convert to fraction form
    21,654.78/32,484.24 = 6,072.36/x
  3. Step 3: Cross multiply
    21,654.78x = 32,484.24 × 6,072.36
  4. Step 4: Simplify right side
    21,654.78x = 197,255,999.61
  5. Step 5: Solve for x
    x = 197,255,999.61/21,654.78
  6. Step 6: Final answer
    x = 9,109.12

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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.