Home / 17,154.20-23,684.46-13,168.28

Finding the Fourth Proportional to 17,154.20, 23,684.46 and 13,168.28

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Solution

The fourth proportional to 17,154.20, 23,684.46 and 13,168.28 is: 18,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,154.20 : 23,684.46 = 13,168.28 : x
  2. Step 2: Convert to fraction form
    17,154.20/23,684.46 = 13,168.28/x
  3. Step 3: Cross multiply
    17,154.20x = 23,684.46 × 13,168.28
  4. Step 4: Simplify right side
    17,154.20x = 311,883,600.93
  5. Step 5: Solve for x
    x = 311,883,600.93/17,154.20
  6. Step 6: Final answer
    x = 18,181.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.