Home / 16,816.20-25,224.30-12,442.20

Finding the Fourth Proportional to 16,816.20, 25,224.30 and 12,442.20

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Solution

The fourth proportional to 16,816.20, 25,224.30 and 12,442.20 is: 18,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816.20 : 25,224.30 = 12,442.20 : x
  2. Step 2: Convert to fraction form
    16,816.20/25,224.30 = 12,442.20/x
  3. Step 3: Cross multiply
    16,816.20x = 25,224.30 × 12,442.20
  4. Step 4: Simplify right side
    16,816.20x = 313,845,785.46
  5. Step 5: Solve for x
    x = 313,845,785.46/16,816.20
  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.