Home / 20,354.18-30,535.62-6,313.90

Finding the Fourth Proportional to 20,354.18, 30,535.62 and 6,313.90

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Solution

The fourth proportional to 20,354.18, 30,535.62 and 6,313.90 is: 9,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,354.18 : 30,535.62 = 6,313.90 : x
  2. Step 2: Convert to fraction form
    20,354.18/30,535.62 = 6,313.90/x
  3. Step 3: Cross multiply
    20,354.18x = 30,535.62 × 6,313.90
  4. Step 4: Simplify right side
    20,354.18x = 192,798,851.12
  5. Step 5: Solve for x
    x = 192,798,851.12/20,354.18
  6. Step 6: Final answer
    x = 9,472.20

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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.