Home / 10,621.43-15,932.18-3,225.95

Finding the Fourth Proportional to 10,621.43, 15,932.18 and 3,225.95

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Solution

The fourth proportional to 10,621.43, 15,932.18 and 3,225.95 is: 4,838.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.43 : 15,932.18 = 3,225.95 : x
  2. Step 2: Convert to fraction form
    10,621.43/15,932.18 = 3,225.95/x
  3. Step 3: Cross multiply
    10,621.43x = 15,932.18 × 3,225.95
  4. Step 4: Simplify right side
    10,621.43x = 51,396,416.07
  5. Step 5: Solve for x
    x = 51,396,416.07/10,621.43
  6. Step 6: Final answer
    x = 4,838.94

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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.