Home / 18,180.02-25,098.18-12,243.12

Finding the Fourth Proportional to 18,180.02, 25,098.18 and 12,243.12

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Solution

The fourth proportional to 18,180.02, 25,098.18 and 12,243.12 is: 16,902.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.02 : 25,098.18 = 12,243.12 : x
  2. Step 2: Convert to fraction form
    18,180.02/25,098.18 = 12,243.12/x
  3. Step 3: Cross multiply
    18,180.02x = 25,098.18 × 12,243.12
  4. Step 4: Simplify right side
    18,180.02x = 307,280,029.52
  5. Step 5: Solve for x
    x = 307,280,029.52/18,180.02
  6. Step 6: Final answer
    x = 16,902.07

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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.