Home / 18,191.54-25,102.08-11,474.63

Finding the Fourth Proportional to 18,191.54, 25,102.08 and 11,474.63

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Solution

The fourth proportional to 18,191.54, 25,102.08 and 11,474.63 is: 15,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.54 : 25,102.08 = 11,474.63 : x
  2. Step 2: Convert to fraction form
    18,191.54/25,102.08 = 11,474.63/x
  3. Step 3: Cross multiply
    18,191.54x = 25,102.08 × 11,474.63
  4. Step 4: Simplify right side
    18,191.54x = 288,037,080.23
  5. Step 5: Solve for x
    x = 288,037,080.23/18,191.54
  6. Step 6: Final answer
    x = 15,833.57

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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.