Home / 10,218.64-15,328.61-2,722.08

Finding the Fourth Proportional to 10,218.64, 15,328.61 and 2,722.08

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Solution

The fourth proportional to 10,218.64, 15,328.61 and 2,722.08 is: 4,083.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.64 : 15,328.61 = 2,722.08 : x
  2. Step 2: Convert to fraction form
    10,218.64/15,328.61 = 2,722.08/x
  3. Step 3: Cross multiply
    10,218.64x = 15,328.61 × 2,722.08
  4. Step 4: Simplify right side
    10,218.64x = 41,725,626.07
  5. Step 5: Solve for x
    x = 41,725,626.07/10,218.64
  6. Step 6: Final answer
    x = 4,083.29

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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.