Home / 10,791.15-16,182.47-5,242.85

Finding the Fourth Proportional to 10,791.15, 16,182.47 and 5,242.85

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Solution

The fourth proportional to 10,791.15, 16,182.47 and 5,242.85 is: 7,862.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.15 : 16,182.47 = 5,242.85 : x
  2. Step 2: Convert to fraction form
    10,791.15/16,182.47 = 5,242.85/x
  3. Step 3: Cross multiply
    10,791.15x = 16,182.47 × 5,242.85
  4. Step 4: Simplify right side
    10,791.15x = 84,842,262.84
  5. Step 5: Solve for x
    x = 84,842,262.84/10,791.15
  6. Step 6: Final answer
    x = 7,862.21

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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.