Home / 15,164.31-22,759.25-6,405.51

Finding the Fourth Proportional to 15,164.31, 22,759.25 and 6,405.51

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Solution

The fourth proportional to 15,164.31, 22,759.25 and 6,405.51 is: 9,613.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,164.31 : 22,759.25 = 6,405.51 : x
  2. Step 2: Convert to fraction form
    15,164.31/22,759.25 = 6,405.51/x
  3. Step 3: Cross multiply
    15,164.31x = 22,759.25 × 6,405.51
  4. Step 4: Simplify right side
    15,164.31x = 145,784,571.44
  5. Step 5: Solve for x
    x = 145,784,571.44/15,164.31
  6. Step 6: Final answer
    x = 9,613.66

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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.