Home / 22,718.25-34,078.59-7,137.09

Finding the Fourth Proportional to 22,718.25, 34,078.59 and 7,137.09

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Solution

The fourth proportional to 22,718.25, 34,078.59 and 7,137.09 is: 10,706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,718.25 : 34,078.59 = 7,137.09 : x
  2. Step 2: Convert to fraction form
    22,718.25/34,078.59 = 7,137.09/x
  3. Step 3: Cross multiply
    22,718.25x = 34,078.59 × 7,137.09
  4. Step 4: Simplify right side
    22,718.25x = 243,221,963.90
  5. Step 5: Solve for x
    x = 243,221,963.90/22,718.25
  6. Step 6: Final answer
    x = 10,706.02

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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.