Home / 15,420.76-23,138.30-4,892.44

Finding the Fourth Proportional to 15,420.76, 23,138.30 and 4,892.44

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Solution

The fourth proportional to 15,420.76, 23,138.30 and 4,892.44 is: 7,340.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,420.76 : 23,138.30 = 4,892.44 : x
  2. Step 2: Convert to fraction form
    15,420.76/23,138.30 = 4,892.44/x
  3. Step 3: Cross multiply
    15,420.76x = 23,138.30 × 4,892.44
  4. Step 4: Simplify right side
    15,420.76x = 113,202,744.45
  5. Step 5: Solve for x
    x = 113,202,744.45/15,420.76
  6. Step 6: Final answer
    x = 7,340.93

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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.