Home / 15,541.20-21,446.96-8,467.56

Finding the Fourth Proportional to 15,541.20, 21,446.96 and 8,467.56

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Solution

The fourth proportional to 15,541.20, 21,446.96 and 8,467.56 is: 11,685.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541.20 : 21,446.96 = 8,467.56 : x
  2. Step 2: Convert to fraction form
    15,541.20/21,446.96 = 8,467.56/x
  3. Step 3: Cross multiply
    15,541.20x = 21,446.96 × 8,467.56
  4. Step 4: Simplify right side
    15,541.20x = 181,603,420.62
  5. Step 5: Solve for x
    x = 181,603,420.62/15,541.20
  6. Step 6: Final answer
    x = 11,685.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.