Home / 11,512.04-17,270.22-3,718.76

Finding the Fourth Proportional to 11,512.04, 17,270.22 and 3,718.76

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Solution

The fourth proportional to 11,512.04, 17,270.22 and 3,718.76 is: 5,578.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512.04 : 17,270.22 = 3,718.76 : x
  2. Step 2: Convert to fraction form
    11,512.04/17,270.22 = 3,718.76/x
  3. Step 3: Cross multiply
    11,512.04x = 17,270.22 × 3,718.76
  4. Step 4: Simplify right side
    11,512.04x = 64,223,803.33
  5. Step 5: Solve for x
    x = 64,223,803.33/11,512.04
  6. Step 6: Final answer
    x = 5,578.84

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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.