Home / 18,940.96-28,397.04-10,168.48

Finding the Fourth Proportional to 18,940.96, 28,397.04 and 10,168.48

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Solution

The fourth proportional to 18,940.96, 28,397.04 and 10,168.48 is: 15,244.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940.96 : 28,397.04 = 10,168.48 : x
  2. Step 2: Convert to fraction form
    18,940.96/28,397.04 = 10,168.48/x
  3. Step 3: Cross multiply
    18,940.96x = 28,397.04 × 10,168.48
  4. Step 4: Simplify right side
    18,940.96x = 288,754,733.30
  5. Step 5: Solve for x
    x = 288,754,733.30/18,940.96
  6. Step 6: Final answer
    x = 15,244.99

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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.