Home / 19,613.06-27,079.05-15,067.64

Finding the Fourth Proportional to 19,613.06, 27,079.05 and 15,067.64

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Solution

The fourth proportional to 19,613.06, 27,079.05 and 15,067.64 is: 20,803.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.06 : 27,079.05 = 15,067.64 : x
  2. Step 2: Convert to fraction form
    19,613.06/27,079.05 = 15,067.64/x
  3. Step 3: Cross multiply
    19,613.06x = 27,079.05 × 15,067.64
  4. Step 4: Simplify right side
    19,613.06x = 408,017,343.09
  5. Step 5: Solve for x
    x = 408,017,343.09/19,613.06
  6. Step 6: Final answer
    x = 20,803.35

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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.