Home / 20,354.55-30,536.19-6,314.28

Finding the Fourth Proportional to 20,354.55, 30,536.19 and 6,314.28

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Solution

The fourth proportional to 20,354.55, 30,536.19 and 6,314.28 is: 9,472.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,354.55 : 30,536.19 = 6,314.28 : x
  2. Step 2: Convert to fraction form
    20,354.55/30,536.19 = 6,314.28/x
  3. Step 3: Cross multiply
    20,354.55x = 30,536.19 × 6,314.28
  4. Step 4: Simplify right side
    20,354.55x = 192,813,869.54
  5. Step 5: Solve for x
    x = 192,813,869.54/20,354.55
  6. Step 6: Final answer
    x = 9,472.77

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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.