Home / 15,213.31-22,821.78-5,851.15

Finding the Fourth Proportional to 15,213.31, 22,821.78 and 5,851.15

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Solution

The fourth proportional to 15,213.31, 22,821.78 and 5,851.15 is: 8,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213.31 : 22,821.78 = 5,851.15 : x
  2. Step 2: Convert to fraction form
    15,213.31/22,821.78 = 5,851.15/x
  3. Step 3: Cross multiply
    15,213.31x = 22,821.78 × 5,851.15
  4. Step 4: Simplify right side
    15,213.31x = 133,533,658.05
  5. Step 5: Solve for x
    x = 133,533,658.05/15,213.31
  6. Step 6: Final answer
    x = 8,777.42

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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.