Home / 15,290.61-22,939.37-5,429.88

Finding the Fourth Proportional to 15,290.61, 22,939.37 and 5,429.88

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Solution

The fourth proportional to 15,290.61, 22,939.37 and 5,429.88 is: 8,146.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290.61 : 22,939.37 = 5,429.88 : x
  2. Step 2: Convert to fraction form
    15,290.61/22,939.37 = 5,429.88/x
  3. Step 3: Cross multiply
    15,290.61x = 22,939.37 × 5,429.88
  4. Step 4: Simplify right side
    15,290.61x = 124,557,999.23
  5. Step 5: Solve for x
    x = 124,557,999.23/15,290.61
  6. Step 6: Final answer
    x = 8,146.05

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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.