Home / 18,462.72-25,479.52-12,170.56

Finding the Fourth Proportional to 18,462.72, 25,479.52 and 12,170.56

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Solution

The fourth proportional to 18,462.72, 25,479.52 and 12,170.56 is: 16,796.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462.72 : 25,479.52 = 12,170.56 : x
  2. Step 2: Convert to fraction form
    18,462.72/25,479.52 = 12,170.56/x
  3. Step 3: Cross multiply
    18,462.72x = 25,479.52 × 12,170.56
  4. Step 4: Simplify right side
    18,462.72x = 310,100,026.93
  5. Step 5: Solve for x
    x = 310,100,026.93/18,462.72
  6. Step 6: Final answer
    x = 16,796.01

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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.