Home / 17,857.48-26,788.38-8,617

Finding the Fourth Proportional to 17,857.48, 26,788.38 and 8,617

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Solution

The fourth proportional to 17,857.48, 26,788.38 and 8,617 is: 12,926.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,857.48 : 26,788.38 = 8,617 : x
  2. Step 2: Convert to fraction form
    17,857.48/26,788.38 = 8,617/x
  3. Step 3: Cross multiply
    17,857.48x = 26,788.38 × 8,617
  4. Step 4: Simplify right side
    17,857.48x = 230,835,470.46
  5. Step 5: Solve for x
    x = 230,835,470.46/17,857.48
  6. Step 6: Final answer
    x = 12,926.54

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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.