Home / 12,233.95-18,337.80-8,015.61

Finding the Fourth Proportional to 12,233.95, 18,337.80 and 8,015.61

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Solution

The fourth proportional to 12,233.95, 18,337.80 and 8,015.61 is: 12,014.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,233.95 : 18,337.80 = 8,015.61 : x
  2. Step 2: Convert to fraction form
    12,233.95/18,337.80 = 8,015.61/x
  3. Step 3: Cross multiply
    12,233.95x = 18,337.80 × 8,015.61
  4. Step 4: Simplify right side
    12,233.95x = 146,988,604.33
  5. Step 5: Solve for x
    x = 146,988,604.33/12,233.95
  6. Step 6: Final answer
    x = 12,014.81

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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.