Home / 15,975.28-22,044.90-8,902

Finding the Fourth Proportional to 15,975.28, 22,044.90 and 8,902

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Solution

The fourth proportional to 15,975.28, 22,044.90 and 8,902 is: 12,284.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,975.28 : 22,044.90 = 8,902 : x
  2. Step 2: Convert to fraction form
    15,975.28/22,044.90 = 8,902/x
  3. Step 3: Cross multiply
    15,975.28x = 22,044.90 × 8,902
  4. Step 4: Simplify right side
    15,975.28x = 196,243,699.80
  5. Step 5: Solve for x
    x = 196,243,699.80/15,975.28
  6. Step 6: Final answer
    x = 12,284.21

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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.