Home / 10,229.21-15,315.24-5,532.39

Finding the Fourth Proportional to 10,229.21, 15,315.24 and 5,532.39

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Solution

The fourth proportional to 10,229.21, 15,315.24 and 5,532.39 is: 8,283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,229.21 : 15,315.24 = 5,532.39 : x
  2. Step 2: Convert to fraction form
    10,229.21/15,315.24 = 5,532.39/x
  3. Step 3: Cross multiply
    10,229.21x = 15,315.24 × 5,532.39
  4. Step 4: Simplify right side
    10,229.21x = 84,729,901.37
  5. Step 5: Solve for x
    x = 84,729,901.37/10,229.21
  6. Step 6: Final answer
    x = 8,283.13

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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.