Home / 19,209.29-26,498.68-13,230.61

Finding the Fourth Proportional to 19,209.29, 26,498.68 and 13,230.61

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Solution

The fourth proportional to 19,209.29, 26,498.68 and 13,230.61 is: 18,251.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.29 : 26,498.68 = 13,230.61 : x
  2. Step 2: Convert to fraction form
    19,209.29/26,498.68 = 13,230.61/x
  3. Step 3: Cross multiply
    19,209.29x = 26,498.68 × 13,230.61
  4. Step 4: Simplify right side
    19,209.29x = 350,593,601.27
  5. Step 5: Solve for x
    x = 350,593,601.27/19,209.29
  6. Step 6: Final answer
    x = 18,251.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.