Home / 20,354.43-30,535.99-6,314.15

Finding the Fourth Proportional to 20,354.43, 30,535.99 and 6,314.15

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Solution

The fourth proportional to 20,354.43, 30,535.99 and 6,314.15 is: 9,472.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,354.43 : 30,535.99 = 6,314.15 : x
  2. Step 2: Convert to fraction form
    20,354.43/30,535.99 = 6,314.15/x
  3. Step 3: Cross multiply
    20,354.43x = 30,535.99 × 6,314.15
  4. Step 4: Simplify right side
    20,354.43x = 192,808,752.81
  5. Step 5: Solve for x
    x = 192,808,752.81/20,354.43
  6. Step 6: Final answer
    x = 9,472.57

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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.