Home / 10,144.92-15,218.84-3,125.53

Finding the Fourth Proportional to 10,144.92, 15,218.84 and 3,125.53

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Solution

The fourth proportional to 10,144.92, 15,218.84 and 3,125.53 is: 4,688.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.92 : 15,218.84 = 3,125.53 : x
  2. Step 2: Convert to fraction form
    10,144.92/15,218.84 = 3,125.53/x
  3. Step 3: Cross multiply
    10,144.92x = 15,218.84 × 3,125.53
  4. Step 4: Simplify right side
    10,144.92x = 47,566,940.99
  5. Step 5: Solve for x
    x = 47,566,940.99/10,144.92
  6. Step 6: Final answer
    x = 4,688.74

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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.