Home / 18,116.04-25,041.96-15,114.36

Finding the Fourth Proportional to 18,116.04, 25,041.96 and 15,114.36

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Solution

The fourth proportional to 18,116.04, 25,041.96 and 15,114.36 is: 20,892.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.04 : 25,041.96 = 15,114.36 : x
  2. Step 2: Convert to fraction form
    18,116.04/25,041.96 = 15,114.36/x
  3. Step 3: Cross multiply
    18,116.04x = 25,041.96 × 15,114.36
  4. Step 4: Simplify right side
    18,116.04x = 378,493,198.55
  5. Step 5: Solve for x
    x = 378,493,198.55/18,116.04
  6. Step 6: Final answer
    x = 20,892.71

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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.