Home / 14,092.27-21,139.80-5,209.93

Finding the Fourth Proportional to 14,092.27, 21,139.80 and 5,209.93

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Solution

The fourth proportional to 14,092.27, 21,139.80 and 5,209.93 is: 7,815.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,092.27 : 21,139.80 = 5,209.93 : x
  2. Step 2: Convert to fraction form
    14,092.27/21,139.80 = 5,209.93/x
  3. Step 3: Cross multiply
    14,092.27x = 21,139.80 × 5,209.93
  4. Step 4: Simplify right side
    14,092.27x = 110,136,825.36
  5. Step 5: Solve for x
    x = 110,136,825.36/14,092.27
  6. Step 6: Final answer
    x = 7,815.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.