Home / 12,512.24-18,763.78-3,744.20

Finding the Fourth Proportional to 12,512.24, 18,763.78 and 3,744.20

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Solution

The fourth proportional to 12,512.24, 18,763.78 and 3,744.20 is: 5,614.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512.24 : 18,763.78 = 3,744.20 : x
  2. Step 2: Convert to fraction form
    12,512.24/18,763.78 = 3,744.20/x
  3. Step 3: Cross multiply
    12,512.24x = 18,763.78 × 3,744.20
  4. Step 4: Simplify right side
    12,512.24x = 70,255,345.08
  5. Step 5: Solve for x
    x = 70,255,345.08/12,512.24
  6. Step 6: Final answer
    x = 5,614.93

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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.