Home / 20,354.80-30,536.56-6,314.52

Finding the Fourth Proportional to 20,354.80, 30,536.56 and 6,314.52

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Solution

The fourth proportional to 20,354.80, 30,536.56 and 6,314.52 is: 9,473.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,354.80 : 30,536.56 = 6,314.52 : x
  2. Step 2: Convert to fraction form
    20,354.80/30,536.56 = 6,314.52/x
  3. Step 3: Cross multiply
    20,354.80x = 30,536.56 × 6,314.52
  4. Step 4: Simplify right side
    20,354.80x = 192,823,718.85
  5. Step 5: Solve for x
    x = 192,823,718.85/20,354.80
  6. Step 6: Final answer
    x = 9,473.13

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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.