Home / 10,791.84-16,189.56-4,948.92

Finding the Fourth Proportional to 10,791.84, 16,189.56 and 4,948.92

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Solution

The fourth proportional to 10,791.84, 16,189.56 and 4,948.92 is: 7,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.84 : 16,189.56 = 4,948.92 : x
  2. Step 2: Convert to fraction form
    10,791.84/16,189.56 = 4,948.92/x
  3. Step 3: Cross multiply
    10,791.84x = 16,189.56 × 4,948.92
  4. Step 4: Simplify right side
    10,791.84x = 80,120,837.28
  5. Step 5: Solve for x
    x = 80,120,837.28/10,791.84
  6. Step 6: Final answer
    x = 7,424.21

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1.5x scale

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.