Home / 20,608.94-30,915.68-6,565.70

Finding the Fourth Proportional to 20,608.94, 30,915.68 and 6,565.70

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Solution

The fourth proportional to 20,608.94, 30,915.68 and 6,565.70 is: 9,849.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608.94 : 30,915.68 = 6,565.70 : x
  2. Step 2: Convert to fraction form
    20,608.94/30,915.68 = 6,565.70/x
  3. Step 3: Cross multiply
    20,608.94x = 30,915.68 × 6,565.70
  4. Step 4: Simplify right side
    20,608.94x = 202,983,080.18
  5. Step 5: Solve for x
    x = 202,983,080.18/20,608.94
  6. Step 6: Final answer
    x = 9,849.27

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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.