Home / 20,223.05-30,340.49-10,369.19

Finding the Fourth Proportional to 20,223.05, 30,340.49 and 10,369.19

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Solution

The fourth proportional to 20,223.05, 30,340.49 and 10,369.19 is: 15,556.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.05 : 30,340.49 = 10,369.19 : x
  2. Step 2: Convert to fraction form
    20,223.05/30,340.49 = 10,369.19/x
  3. Step 3: Cross multiply
    20,223.05x = 30,340.49 × 10,369.19
  4. Step 4: Simplify right side
    20,223.05x = 314,606,329.51
  5. Step 5: Solve for x
    x = 314,606,329.51/20,223.05
  6. Step 6: Final answer
    x = 15,556.82

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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.