Home / 18,204.22-25,129.58-12,239.35

Finding the Fourth Proportional to 18,204.22, 25,129.58 and 12,239.35

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Solution

The fourth proportional to 18,204.22, 25,129.58 and 12,239.35 is: 16,895.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.22 : 25,129.58 = 12,239.35 : x
  2. Step 2: Convert to fraction form
    18,204.22/25,129.58 = 12,239.35/x
  3. Step 3: Cross multiply
    18,204.22x = 25,129.58 × 12,239.35
  4. Step 4: Simplify right side
    18,204.22x = 307,569,724.97
  5. Step 5: Solve for x
    x = 307,569,724.97/18,204.22
  6. Step 6: Final answer
    x = 16,895.52

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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.