Home / 15,851.74-23,776.79-5,321.84

Finding the Fourth Proportional to 15,851.74, 23,776.79 and 5,321.84

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Solution

The fourth proportional to 15,851.74, 23,776.79 and 5,321.84 is: 7,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,851.74 : 23,776.79 = 5,321.84 : x
  2. Step 2: Convert to fraction form
    15,851.74/23,776.79 = 5,321.84/x
  3. Step 3: Cross multiply
    15,851.74x = 23,776.79 × 5,321.84
  4. Step 4: Simplify right side
    15,851.74x = 126,536,235.72
  5. Step 5: Solve for x
    x = 126,536,235.72/15,851.74
  6. Step 6: Final answer
    x = 7,982.48

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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.