Home / 22,342.76-30,833.06-12,269.60

Finding the Fourth Proportional to 22,342.76, 30,833.06 and 12,269.60

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Solution

The fourth proportional to 22,342.76, 30,833.06 and 12,269.60 is: 16,932.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,342.76 : 30,833.06 = 12,269.60 : x
  2. Step 2: Convert to fraction form
    22,342.76/30,833.06 = 12,269.60/x
  3. Step 3: Cross multiply
    22,342.76x = 30,833.06 × 12,269.60
  4. Step 4: Simplify right side
    22,342.76x = 378,309,312.98
  5. Step 5: Solve for x
    x = 378,309,312.98/22,342.76
  6. Step 6: Final answer
    x = 16,932.08

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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.