Home / 22,845.97-34,220.35-12,980.17

Finding the Fourth Proportional to 22,845.97, 34,220.35 and 12,980.17

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Solution

The fourth proportional to 22,845.97, 34,220.35 and 12,980.17 is: 19,442.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,845.97 : 34,220.35 = 12,980.17 : x
  2. Step 2: Convert to fraction form
    22,845.97/34,220.35 = 12,980.17/x
  3. Step 3: Cross multiply
    22,845.97x = 34,220.35 × 12,980.17
  4. Step 4: Simplify right side
    22,845.97x = 444,185,960.46
  5. Step 5: Solve for x
    x = 444,185,960.46/22,845.97
  6. Step 6: Final answer
    x = 19,442.64

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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.