Home / 10,342.91-15,512.45-3,323.05

Finding the Fourth Proportional to 10,342.91, 15,512.45 and 3,323.05

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Solution

The fourth proportional to 10,342.91, 15,512.45 and 3,323.05 is: 4,983.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.91 : 15,512.45 = 3,323.05 : x
  2. Step 2: Convert to fraction form
    10,342.91/15,512.45 = 3,323.05/x
  3. Step 3: Cross multiply
    10,342.91x = 15,512.45 × 3,323.05
  4. Step 4: Simplify right side
    10,342.91x = 51,548,591.58
  5. Step 5: Solve for x
    x = 51,548,591.58/10,342.91
  6. Step 6: Final answer
    x = 4,983.95

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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.