Home / 14,268.94-19,691.18-7,808.58

Finding the Fourth Proportional to 14,268.94, 19,691.18 and 7,808.58

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Solution

The fourth proportional to 14,268.94, 19,691.18 and 7,808.58 is: 10,775.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.94 : 19,691.18 = 7,808.58 : x
  2. Step 2: Convert to fraction form
    14,268.94/19,691.18 = 7,808.58/x
  3. Step 3: Cross multiply
    14,268.94x = 19,691.18 × 7,808.58
  4. Step 4: Simplify right side
    14,268.94x = 153,760,154.32
  5. Step 5: Solve for x
    x = 153,760,154.32/14,268.94
  6. Step 6: Final answer
    x = 10,775.86

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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.