Home / 12,512.55-18,695.42-12,076.57

Finding the Fourth Proportional to 12,512.55, 18,695.42 and 12,076.57

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Solution

The fourth proportional to 12,512.55, 18,695.42 and 12,076.57 is: 18,044.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512.55 : 18,695.42 = 12,076.57 : x
  2. Step 2: Convert to fraction form
    12,512.55/18,695.42 = 12,076.57/x
  3. Step 3: Cross multiply
    12,512.55x = 18,695.42 × 12,076.57
  4. Step 4: Simplify right side
    12,512.55x = 225,776,548.31
  5. Step 5: Solve for x
    x = 225,776,548.31/12,512.55
  6. Step 6: Final answer
    x = 18,044.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.