Home / 20,197.37-30,302.24-10,343.57

Finding the Fourth Proportional to 20,197.37, 30,302.24 and 10,343.57

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Solution

The fourth proportional to 20,197.37, 30,302.24 and 10,343.57 is: 15,518.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.37 : 30,302.24 = 10,343.57 : x
  2. Step 2: Convert to fraction form
    20,197.37/30,302.24 = 10,343.57/x
  3. Step 3: Cross multiply
    20,197.37x = 30,302.24 × 10,343.57
  4. Step 4: Simplify right side
    20,197.37x = 313,433,137.37
  5. Step 5: Solve for x
    x = 313,433,137.37/20,197.37
  6. Step 6: Final answer
    x = 15,518.52

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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.