Home / 22,865.10-34,301.46-7,871.64

Finding the Fourth Proportional to 22,865.10, 34,301.46 and 7,871.64

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Solution

The fourth proportional to 22,865.10, 34,301.46 and 7,871.64 is: 11,808.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,865.10 : 34,301.46 = 7,871.64 : x
  2. Step 2: Convert to fraction form
    22,865.10/34,301.46 = 7,871.64/x
  3. Step 3: Cross multiply
    22,865.10x = 34,301.46 × 7,871.64
  4. Step 4: Simplify right side
    22,865.10x = 270,008,744.59
  5. Step 5: Solve for x
    x = 270,008,744.59/22,865.10
  6. Step 6: Final answer
    x = 11,808.77

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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.