Home / 18,276.42-25,213.20-10,723.20

Finding the Fourth Proportional to 18,276.42, 25,213.20 and 10,723.20

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Solution

The fourth proportional to 18,276.42, 25,213.20 and 10,723.20 is: 14,793.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.42 : 25,213.20 = 10,723.20 : x
  2. Step 2: Convert to fraction form
    18,276.42/25,213.20 = 10,723.20/x
  3. Step 3: Cross multiply
    18,276.42x = 25,213.20 × 10,723.20
  4. Step 4: Simplify right side
    18,276.42x = 270,366,186.24
  5. Step 5: Solve for x
    x = 270,366,186.24/18,276.42
  6. Step 6: Final answer
    x = 14,793.17

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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.