Home / 20,454.24-30,674.88-6,600

Finding the Fourth Proportional to 20,454.24, 30,674.88 and 6,600

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Solution

The fourth proportional to 20,454.24, 30,674.88 and 6,600 is: 9,897.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,454.24 : 30,674.88 = 6,600 : x
  2. Step 2: Convert to fraction form
    20,454.24/30,674.88 = 6,600/x
  3. Step 3: Cross multiply
    20,454.24x = 30,674.88 × 6,600
  4. Step 4: Simplify right side
    20,454.24x = 202,454,208
  5. Step 5: Solve for x
    x = 202,454,208/20,454.24
  6. Step 6: Final answer
    x = 9,897.91

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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.