Home / 20,562.29-30,838.70-6,519.71

Finding the Fourth Proportional to 20,562.29, 30,838.70 and 6,519.71

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Solution

The fourth proportional to 20,562.29, 30,838.70 and 6,519.71 is: 9,778.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562.29 : 30,838.70 = 6,519.71 : x
  2. Step 2: Convert to fraction form
    20,562.29/30,838.70 = 6,519.71/x
  3. Step 3: Cross multiply
    20,562.29x = 30,838.70 × 6,519.71
  4. Step 4: Simplify right side
    20,562.29x = 201,059,193.98
  5. Step 5: Solve for x
    x = 201,059,193.98/20,562.29
  6. Step 6: Final answer
    x = 9,778.06

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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.