Home / 12,444.10-18,612.15-11,137.30

Finding the Fourth Proportional to 12,444.10, 18,612.15 and 11,137.30

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Solution

The fourth proportional to 12,444.10, 18,612.15 and 11,137.30 is: 16,657.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.10 : 18,612.15 = 11,137.30 : x
  2. Step 2: Convert to fraction form
    12,444.10/18,612.15 = 11,137.30/x
  3. Step 3: Cross multiply
    12,444.10x = 18,612.15 × 11,137.30
  4. Step 4: Simplify right side
    12,444.10x = 207,289,098.20
  5. Step 5: Solve for x
    x = 207,289,098.20/12,444.10
  6. Step 6: Final answer
    x = 16,657.62

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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.