Home / 15,304.44-21,117.33-8,589.15

Finding the Fourth Proportional to 15,304.44, 21,117.33 and 8,589.15

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Solution

The fourth proportional to 15,304.44, 21,117.33 and 8,589.15 is: 11,851.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,304.44 : 21,117.33 = 8,589.15 : x
  2. Step 2: Convert to fraction form
    15,304.44/21,117.33 = 8,589.15/x
  3. Step 3: Cross multiply
    15,304.44x = 21,117.33 × 8,589.15
  4. Step 4: Simplify right side
    15,304.44x = 181,379,914.97
  5. Step 5: Solve for x
    x = 181,379,914.97/15,304.44
  6. Step 6: Final answer
    x = 11,851.46

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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.