Home / 22,911.86-34,346.25-12,366.07

Finding the Fourth Proportional to 22,911.86, 34,346.25 and 12,366.07

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Solution

The fourth proportional to 22,911.86, 34,346.25 and 12,366.07 is: 18,537.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,911.86 : 34,346.25 = 12,366.07 : x
  2. Step 2: Convert to fraction form
    22,911.86/34,346.25 = 12,366.07/x
  3. Step 3: Cross multiply
    22,911.86x = 34,346.25 × 12,366.07
  4. Step 4: Simplify right side
    22,911.86x = 424,728,131.74
  5. Step 5: Solve for x
    x = 424,728,131.74/22,911.86
  6. Step 6: Final answer
    x = 18,537.48

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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.