Home / 20,546.19-30,821.85-6,502.55

Finding the Fourth Proportional to 20,546.19, 30,821.85 and 6,502.55

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Solution

The fourth proportional to 20,546.19, 30,821.85 and 6,502.55 is: 9,754.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,546.19 : 30,821.85 = 6,502.55 : x
  2. Step 2: Convert to fraction form
    20,546.19/30,821.85 = 6,502.55/x
  3. Step 3: Cross multiply
    20,546.19x = 30,821.85 × 6,502.55
  4. Step 4: Simplify right side
    20,546.19x = 200,420,466.61
  5. Step 5: Solve for x
    x = 200,420,466.61/20,546.19
  6. Step 6: Final answer
    x = 9,754.63

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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.