Home / 15,847.28-23,771.26-5,991.20

Finding the Fourth Proportional to 15,847.28, 23,771.26 and 5,991.20

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Solution

The fourth proportional to 15,847.28, 23,771.26 and 5,991.20 is: 8,986.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,847.28 : 23,771.26 = 5,991.20 : x
  2. Step 2: Convert to fraction form
    15,847.28/23,771.26 = 5,991.20/x
  3. Step 3: Cross multiply
    15,847.28x = 23,771.26 × 5,991.20
  4. Step 4: Simplify right side
    15,847.28x = 142,418,372.91
  5. Step 5: Solve for x
    x = 142,418,372.91/15,847.28
  6. Step 6: Final answer
    x = 8,986.93

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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.