Home / 17,890.13-26,835.19-5,578.13

Finding the Fourth Proportional to 17,890.13, 26,835.19 and 5,578.13

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Solution

The fourth proportional to 17,890.13, 26,835.19 and 5,578.13 is: 8,367.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.13 : 26,835.19 = 5,578.13 : x
  2. Step 2: Convert to fraction form
    17,890.13/26,835.19 = 5,578.13/x
  3. Step 3: Cross multiply
    17,890.13x = 26,835.19 × 5,578.13
  4. Step 4: Simplify right side
    17,890.13x = 149,690,044.22
  5. Step 5: Solve for x
    x = 149,690,044.22/17,890.13
  6. Step 6: Final answer
    x = 8,367.19

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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.