Home / 11,385.06-17,074.26-3,988.14

Finding the Fourth Proportional to 11,385.06, 17,074.26 and 3,988.14

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Solution

The fourth proportional to 11,385.06, 17,074.26 and 3,988.14 is: 5,981.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,385.06 : 17,074.26 = 3,988.14 : x
  2. Step 2: Convert to fraction form
    11,385.06/17,074.26 = 3,988.14/x
  3. Step 3: Cross multiply
    11,385.06x = 17,074.26 × 3,988.14
  4. Step 4: Simplify right side
    11,385.06x = 68,094,539.28
  5. Step 5: Solve for x
    x = 68,094,539.28/11,385.06
  6. Step 6: Final answer
    x = 5,981.04

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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.