Home / 20,552.06-30,830.53-6,512.74

Finding the Fourth Proportional to 20,552.06, 30,830.53 and 6,512.74

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Solution

The fourth proportional to 20,552.06, 30,830.53 and 6,512.74 is: 9,769.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.06 : 30,830.53 = 6,512.74 : x
  2. Step 2: Convert to fraction form
    20,552.06/30,830.53 = 6,512.74/x
  3. Step 3: Cross multiply
    20,552.06x = 30,830.53 × 6,512.74
  4. Step 4: Simplify right side
    20,552.06x = 200,791,162.99
  5. Step 5: Solve for x
    x = 200,791,162.99/20,552.06
  6. Step 6: Final answer
    x = 9,769.88

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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.