Home / 12,727.72-19,051.98-6,869.80

Finding the Fourth Proportional to 12,727.72, 19,051.98 and 6,869.80

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Solution

The fourth proportional to 12,727.72, 19,051.98 and 6,869.80 is: 10,283.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727.72 : 19,051.98 = 6,869.80 : x
  2. Step 2: Convert to fraction form
    12,727.72/19,051.98 = 6,869.80/x
  3. Step 3: Cross multiply
    12,727.72x = 19,051.98 × 6,869.80
  4. Step 4: Simplify right side
    12,727.72x = 130,883,292.20
  5. Step 5: Solve for x
    x = 130,883,292.20/12,727.72
  6. Step 6: Final answer
    x = 10,283.33

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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.