Home / 34,378.30-51,567.40-9,418.56

Finding the Fourth Proportional to 34,378.30, 51,567.40 and 9,418.56

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Solution

The fourth proportional to 34,378.30, 51,567.40 and 9,418.56 is: 14,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,378.30 : 51,567.40 = 9,418.56 : x
  2. Step 2: Convert to fraction form
    34,378.30/51,567.40 = 9,418.56/x
  3. Step 3: Cross multiply
    34,378.30x = 51,567.40 × 9,418.56
  4. Step 4: Simplify right side
    34,378.30x = 485,690,650.94
  5. Step 5: Solve for x
    x = 485,690,650.94/34,378.30
  6. Step 6: Final answer
    x = 14,127.83

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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.