Home / 14,782.36-20,398.94-8,067.82

Finding the Fourth Proportional to 14,782.36, 20,398.94 and 8,067.82

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Solution

The fourth proportional to 14,782.36, 20,398.94 and 8,067.82 is: 11,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,782.36 : 20,398.94 = 8,067.82 : x
  2. Step 2: Convert to fraction form
    14,782.36/20,398.94 = 8,067.82/x
  3. Step 3: Cross multiply
    14,782.36x = 20,398.94 × 8,067.82
  4. Step 4: Simplify right side
    14,782.36x = 164,574,935.77
  5. Step 5: Solve for x
    x = 164,574,935.77/14,782.36
  6. Step 6: Final answer
    x = 11,133.20

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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.