Home / 20,557.53-30,836.88-6,517.62

Finding the Fourth Proportional to 20,557.53, 30,836.88 and 6,517.62

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Solution

The fourth proportional to 20,557.53, 30,836.88 and 6,517.62 is: 9,776.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,557.53 : 30,836.88 = 6,517.62 : x
  2. Step 2: Convert to fraction form
    20,557.53/30,836.88 = 6,517.62/x
  3. Step 3: Cross multiply
    20,557.53x = 30,836.88 × 6,517.62
  4. Step 4: Simplify right side
    20,557.53x = 200,983,065.83
  5. Step 5: Solve for x
    x = 200,983,065.83/20,557.53
  6. Step 6: Final answer
    x = 9,776.62

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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.