Home / 17,999.81-24,811.45-12,324.74

Finding the Fourth Proportional to 17,999.81, 24,811.45 and 12,324.74

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Solution

The fourth proportional to 17,999.81, 24,811.45 and 12,324.74 is: 16,988.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,999.81 : 24,811.45 = 12,324.74 : x
  2. Step 2: Convert to fraction form
    17,999.81/24,811.45 = 12,324.74/x
  3. Step 3: Cross multiply
    17,999.81x = 24,811.45 × 12,324.74
  4. Step 4: Simplify right side
    17,999.81x = 305,794,817.34
  5. Step 5: Solve for x
    x = 305,794,817.34/17,999.81
  6. Step 6: Final answer
    x = 16,988.78

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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.