Home / 17,788.28-26,680.26-7,398.68

Finding the Fourth Proportional to 17,788.28, 26,680.26 and 7,398.68

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Solution

The fourth proportional to 17,788.28, 26,680.26 and 7,398.68 is: 11,097.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,788.28 : 26,680.26 = 7,398.68 : x
  2. Step 2: Convert to fraction form
    17,788.28/26,680.26 = 7,398.68/x
  3. Step 3: Cross multiply
    17,788.28x = 26,680.26 × 7,398.68
  4. Step 4: Simplify right side
    17,788.28x = 197,398,706.06
  5. Step 5: Solve for x
    x = 197,398,706.06/17,788.28
  6. Step 6: Final answer
    x = 11,097.12

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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.