Home / 20,233.44-30,349.92-11,970.24

Finding the Fourth Proportional to 20,233.44, 30,349.92 and 11,970.24

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Solution

The fourth proportional to 20,233.44, 30,349.92 and 11,970.24 is: 17,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.44 : 30,349.92 = 11,970.24 : x
  2. Step 2: Convert to fraction form
    20,233.44/30,349.92 = 11,970.24/x
  3. Step 3: Cross multiply
    20,233.44x = 30,349.92 × 11,970.24
  4. Step 4: Simplify right side
    20,233.44x = 363,295,826.38
  5. Step 5: Solve for x
    x = 363,295,826.38/20,233.44
  6. Step 6: Final answer
    x = 17,955.22

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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.