Home / 10,125.35-15,183.56-4,578.47

Finding the Fourth Proportional to 10,125.35, 15,183.56 and 4,578.47

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Solution

The fourth proportional to 10,125.35, 15,183.56 and 4,578.47 is: 6,865.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.35 : 15,183.56 = 4,578.47 : x
  2. Step 2: Convert to fraction form
    10,125.35/15,183.56 = 4,578.47/x
  3. Step 3: Cross multiply
    10,125.35x = 15,183.56 × 4,578.47
  4. Step 4: Simplify right side
    10,125.35x = 69,517,409.48
  5. Step 5: Solve for x
    x = 69,517,409.48/10,125.35
  6. Step 6: Final answer
    x = 6,865.68

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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.