Home / 20,348.68-30,519.52-6,116.94

Finding the Fourth Proportional to 20,348.68, 30,519.52 and 6,116.94

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Solution

The fourth proportional to 20,348.68, 30,519.52 and 6,116.94 is: 9,174.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348.68 : 30,519.52 = 6,116.94 : x
  2. Step 2: Convert to fraction form
    20,348.68/30,519.52 = 6,116.94/x
  3. Step 3: Cross multiply
    20,348.68x = 30,519.52 × 6,116.94
  4. Step 4: Simplify right side
    20,348.68x = 186,686,072.67
  5. Step 5: Solve for x
    x = 186,686,072.67/20,348.68
  6. Step 6: Final answer
    x = 9,174.36

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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.