Home / 10,199.52-15,299.48-4,356.18

Finding the Fourth Proportional to 10,199.52, 15,299.48 and 4,356.18

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Solution

The fourth proportional to 10,199.52, 15,299.48 and 4,356.18 is: 6,534.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.52 : 15,299.48 = 4,356.18 : x
  2. Step 2: Convert to fraction form
    10,199.52/15,299.48 = 4,356.18/x
  3. Step 3: Cross multiply
    10,199.52x = 15,299.48 × 4,356.18
  4. Step 4: Simplify right side
    10,199.52x = 66,647,299.68
  5. Step 5: Solve for x
    x = 66,647,299.68/10,199.52
  6. Step 6: Final answer
    x = 6,534.36

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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.