Home / 10,462.20-15,696.33-4,218.99

Finding the Fourth Proportional to 10,462.20, 15,696.33 and 4,218.99

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Solution

The fourth proportional to 10,462.20, 15,696.33 and 4,218.99 is: 6,329.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,462.20 : 15,696.33 = 4,218.99 : x
  2. Step 2: Convert to fraction form
    10,462.20/15,696.33 = 4,218.99/x
  3. Step 3: Cross multiply
    10,462.20x = 15,696.33 × 4,218.99
  4. Step 4: Simplify right side
    10,462.20x = 66,222,659.31
  5. Step 5: Solve for x
    x = 66,222,659.31/10,462.20
  6. Step 6: Final answer
    x = 6,329.71

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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.