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Finding the Fourth Proportional to 22,489.98, 33,736.59 and 6,478.86

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Solution

The fourth proportional to 22,489.98, 33,736.59 and 6,478.86 is: 9,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,489.98 : 33,736.59 = 6,478.86 : x
  2. Step 2: Convert to fraction form
    22,489.98/33,736.59 = 6,478.86/x
  3. Step 3: Cross multiply
    22,489.98x = 33,736.59 × 6,478.86
  4. Step 4: Simplify right side
    22,489.98x = 218,574,643.49
  5. Step 5: Solve for x
    x = 218,574,643.49/22,489.98
  6. Step 6: Final answer
    x = 9,718.76

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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.