Home / 15,576.87-23,365.31-12,442.20

Finding the Fourth Proportional to 15,576.87, 23,365.31 and 12,442.20

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Solution

The fourth proportional to 15,576.87, 23,365.31 and 12,442.20 is: 18,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,576.87 : 23,365.31 = 12,442.20 : x
  2. Step 2: Convert to fraction form
    15,576.87/23,365.31 = 12,442.20/x
  3. Step 3: Cross multiply
    15,576.87x = 23,365.31 × 12,442.20
  4. Step 4: Simplify right side
    15,576.87x = 290,715,775.97
  5. Step 5: Solve for x
    x = 290,715,775.97/15,576.87
  6. Step 6: Final answer
    x = 18,663.30

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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.