Home / 20,196.53-30,302.09-10,340.45

Finding the Fourth Proportional to 20,196.53, 30,302.09 and 10,340.45

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Solution

The fourth proportional to 20,196.53, 30,302.09 and 10,340.45 is: 15,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.53 : 30,302.09 = 10,340.45 : x
  2. Step 2: Convert to fraction form
    20,196.53/30,302.09 = 10,340.45/x
  3. Step 3: Cross multiply
    20,196.53x = 30,302.09 × 10,340.45
  4. Step 4: Simplify right side
    20,196.53x = 313,337,246.54
  5. Step 5: Solve for x
    x = 313,337,246.54/20,196.53
  6. Step 6: Final answer
    x = 15,514.41

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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.