Home / 15,261.06-22,892.40-4,872

Finding the Fourth Proportional to 15,261.06, 22,892.40 and 4,872

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Solution

The fourth proportional to 15,261.06, 22,892.40 and 4,872 is: 7,308.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,261.06 : 22,892.40 = 4,872 : x
  2. Step 2: Convert to fraction form
    15,261.06/22,892.40 = 4,872/x
  3. Step 3: Cross multiply
    15,261.06x = 22,892.40 × 4,872
  4. Step 4: Simplify right side
    15,261.06x = 111,531,772.80
  5. Step 5: Solve for x
    x = 111,531,772.80/15,261.06
  6. Step 6: Final answer
    x = 7,308.26

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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.