Home / 15,067.13-20,793.35-9,405.23

Finding the Fourth Proportional to 15,067.13, 20,793.35 and 9,405.23

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Solution

The fourth proportional to 15,067.13, 20,793.35 and 9,405.23 is: 12,979.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067.13 : 20,793.35 = 9,405.23 : x
  2. Step 2: Convert to fraction form
    15,067.13/20,793.35 = 9,405.23/x
  3. Step 3: Cross multiply
    15,067.13x = 20,793.35 × 9,405.23
  4. Step 4: Simplify right side
    15,067.13x = 195,566,192.19
  5. Step 5: Solve for x
    x = 195,566,192.19/15,067.13
  6. Step 6: Final answer
    x = 12,979.66

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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.