Home / 15,791.90-23,687.87-4,105.13

Finding the Fourth Proportional to 15,791.90, 23,687.87 and 4,105.13

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Solution

The fourth proportional to 15,791.90, 23,687.87 and 4,105.13 is: 6,157.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,791.90 : 23,687.87 = 4,105.13 : x
  2. Step 2: Convert to fraction form
    15,791.90/23,687.87 = 4,105.13/x
  3. Step 3: Cross multiply
    15,791.90x = 23,687.87 × 4,105.13
  4. Step 4: Simplify right side
    15,791.90x = 97,241,646.81
  5. Step 5: Solve for x
    x = 97,241,646.81/15,791.90
  6. Step 6: Final answer
    x = 6,157.69

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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.