Home / 22,050.92-30,430.82-11,979.24

Finding the Fourth Proportional to 22,050.92, 30,430.82 and 11,979.24

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Solution

The fourth proportional to 22,050.92, 30,430.82 and 11,979.24 is: 16,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,050.92 : 30,430.82 = 11,979.24 : x
  2. Step 2: Convert to fraction form
    22,050.92/30,430.82 = 11,979.24/x
  3. Step 3: Cross multiply
    22,050.92x = 30,430.82 × 11,979.24
  4. Step 4: Simplify right side
    22,050.92x = 364,538,096.18
  5. Step 5: Solve for x
    x = 364,538,096.18/22,050.92
  6. Step 6: Final answer
    x = 16,531.65

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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.