Home / 23,314.81-34,982.56-12,218.86

Finding the Fourth Proportional to 23,314.81, 34,982.56 and 12,218.86

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Solution

The fourth proportional to 23,314.81, 34,982.56 and 12,218.86 is: 18,333.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,314.81 : 34,982.56 = 12,218.86 : x
  2. Step 2: Convert to fraction form
    23,314.81/34,982.56 = 12,218.86/x
  3. Step 3: Cross multiply
    23,314.81x = 34,982.56 × 12,218.86
  4. Step 4: Simplify right side
    23,314.81x = 427,447,003.08
  5. Step 5: Solve for x
    x = 427,447,003.08/23,314.81
  6. Step 6: Final answer
    x = 18,333.71

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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.