Home / 21,998.16-33,009.66-10,311.48

Finding the Fourth Proportional to 21,998.16, 33,009.66 and 10,311.48

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Solution

The fourth proportional to 21,998.16, 33,009.66 and 10,311.48 is: 15,473.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,998.16 : 33,009.66 = 10,311.48 : x
  2. Step 2: Convert to fraction form
    21,998.16/33,009.66 = 10,311.48/x
  3. Step 3: Cross multiply
    21,998.16x = 33,009.66 × 10,311.48
  4. Step 4: Simplify right side
    21,998.16x = 340,378,448.90
  5. Step 5: Solve for x
    x = 340,378,448.90/21,998.16
  6. Step 6: Final answer
    x = 15,473.04

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1.5x scale

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.