Home / 19,400.43-29,076.30-8,294.07

Finding the Fourth Proportional to 19,400.43, 29,076.30 and 8,294.07

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Solution

The fourth proportional to 19,400.43, 29,076.30 and 8,294.07 is: 12,430.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.43 : 29,076.30 = 8,294.07 : x
  2. Step 2: Convert to fraction form
    19,400.43/29,076.30 = 8,294.07/x
  3. Step 3: Cross multiply
    19,400.43x = 29,076.30 × 8,294.07
  4. Step 4: Simplify right side
    19,400.43x = 241,160,867.54
  5. Step 5: Solve for x
    x = 241,160,867.54/19,400.43
  6. Step 6: Final answer
    x = 12,430.70

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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.