Home / 22,728.69-34,108.61-7,937.60

Finding the Fourth Proportional to 22,728.69, 34,108.61 and 7,937.60

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Solution

The fourth proportional to 22,728.69, 34,108.61 and 7,937.60 is: 11,911.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,728.69 : 34,108.61 = 7,937.60 : x
  2. Step 2: Convert to fraction form
    22,728.69/34,108.61 = 7,937.60/x
  3. Step 3: Cross multiply
    22,728.69x = 34,108.61 × 7,937.60
  4. Step 4: Simplify right side
    22,728.69x = 270,740,502.74
  5. Step 5: Solve for x
    x = 270,740,502.74/22,728.69
  6. Step 6: Final answer
    x = 11,911.84

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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.