Home / 21,995.91-33,006.29-10,309.23

Finding the Fourth Proportional to 21,995.91, 33,006.29 and 10,309.23

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Solution

The fourth proportional to 21,995.91, 33,006.29 and 10,309.23 is: 15,469.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995.91 : 33,006.29 = 10,309.23 : x
  2. Step 2: Convert to fraction form
    21,995.91/33,006.29 = 10,309.23/x
  3. Step 3: Cross multiply
    21,995.91x = 33,006.29 × 10,309.23
  4. Step 4: Simplify right side
    21,995.91x = 340,269,383.51
  5. Step 5: Solve for x
    x = 340,269,383.51/21,995.91
  6. Step 6: Final answer
    x = 15,469.67

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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.