Home / 23,214.20-34,838.20-8,424.30

Finding the Fourth Proportional to 23,214.20, 34,838.20 and 8,424.30

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Solution

The fourth proportional to 23,214.20, 34,838.20 and 8,424.30 is: 12,642.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,214.20 : 34,838.20 = 8,424.30 : x
  2. Step 2: Convert to fraction form
    23,214.20/34,838.20 = 8,424.30/x
  3. Step 3: Cross multiply
    23,214.20x = 34,838.20 × 8,424.30
  4. Step 4: Simplify right side
    23,214.20x = 293,487,589.43
  5. Step 5: Solve for x
    x = 293,487,589.43/23,214.20
  6. Step 6: Final answer
    x = 12,642.59

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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.