Home / 14,266.62-19,687.80-7,893.36

Finding the Fourth Proportional to 14,266.62, 19,687.80 and 7,893.36

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Solution

The fourth proportional to 14,266.62, 19,687.80 and 7,893.36 is: 10,892.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,266.62 : 19,687.80 = 7,893.36 : x
  2. Step 2: Convert to fraction form
    14,266.62/19,687.80 = 7,893.36/x
  3. Step 3: Cross multiply
    14,266.62x = 19,687.80 × 7,893.36
  4. Step 4: Simplify right side
    14,266.62x = 155,402,893.01
  5. Step 5: Solve for x
    x = 155,402,893.01/14,266.62
  6. Step 6: Final answer
    x = 10,892.76

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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.