Home / 15,044.14-20,758.57-8,671.02

Finding the Fourth Proportional to 15,044.14, 20,758.57 and 8,671.02

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Solution

The fourth proportional to 15,044.14, 20,758.57 and 8,671.02 is: 11,964.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,044.14 : 20,758.57 = 8,671.02 : x
  2. Step 2: Convert to fraction form
    15,044.14/20,758.57 = 8,671.02/x
  3. Step 3: Cross multiply
    15,044.14x = 20,758.57 × 8,671.02
  4. Step 4: Simplify right side
    15,044.14x = 179,997,975.64
  5. Step 5: Solve for x
    x = 179,997,975.64/15,044.14
  6. Step 6: Final answer
    x = 11,964.66

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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.