Home / 17,867.84-26,805.56-5,388.80

Finding the Fourth Proportional to 17,867.84, 26,805.56 and 5,388.80

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Solution

The fourth proportional to 17,867.84, 26,805.56 and 5,388.80 is: 8,084.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,867.84 : 26,805.56 = 5,388.80 : x
  2. Step 2: Convert to fraction form
    17,867.84/26,805.56 = 5,388.80/x
  3. Step 3: Cross multiply
    17,867.84x = 26,805.56 × 5,388.80
  4. Step 4: Simplify right side
    17,867.84x = 144,449,801.73
  5. Step 5: Solve for x
    x = 144,449,801.73/17,867.84
  6. Step 6: Final answer
    x = 8,084.35

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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.