Home / 15,043.04-20,759.90-8,669.15

Finding the Fourth Proportional to 15,043.04, 20,759.90 and 8,669.15

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Solution

The fourth proportional to 15,043.04, 20,759.90 and 8,669.15 is: 11,963.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,043.04 : 20,759.90 = 8,669.15 : x
  2. Step 2: Convert to fraction form
    15,043.04/20,759.90 = 8,669.15/x
  3. Step 3: Cross multiply
    15,043.04x = 20,759.90 × 8,669.15
  4. Step 4: Simplify right side
    15,043.04x = 179,970,687.09
  5. Step 5: Solve for x
    x = 179,970,687.09/15,043.04
  6. Step 6: Final answer
    x = 11,963.72

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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.