Home / 12,261.15-18,367.62-8,088.42

Finding the Fourth Proportional to 12,261.15, 18,367.62 and 8,088.42

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Solution

The fourth proportional to 12,261.15, 18,367.62 and 8,088.42 is: 12,116.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.15 : 18,367.62 = 8,088.42 : x
  2. Step 2: Convert to fraction form
    12,261.15/18,367.62 = 8,088.42/x
  3. Step 3: Cross multiply
    12,261.15x = 18,367.62 × 8,088.42
  4. Step 4: Simplify right side
    12,261.15x = 148,565,024.96
  5. Step 5: Solve for x
    x = 148,565,024.96/12,261.15
  6. Step 6: Final answer
    x = 12,116.73

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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.