Home / 19,578.13-29,367.26-5,727.13

Finding the Fourth Proportional to 19,578.13, 29,367.26 and 5,727.13

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Solution

The fourth proportional to 19,578.13, 29,367.26 and 5,727.13 is: 8,590.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,578.13 : 29,367.26 = 5,727.13 : x
  2. Step 2: Convert to fraction form
    19,578.13/29,367.26 = 5,727.13/x
  3. Step 3: Cross multiply
    19,578.13x = 29,367.26 × 5,727.13
  4. Step 4: Simplify right side
    19,578.13x = 168,190,115.76
  5. Step 5: Solve for x
    x = 168,190,115.76/19,578.13
  6. Step 6: Final answer
    x = 8,590.71

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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.