Home / 20,894.19-31,343.28-6,103.23

Finding the Fourth Proportional to 20,894.19, 31,343.28 and 6,103.23

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Solution

The fourth proportional to 20,894.19, 31,343.28 and 6,103.23 is: 9,155.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894.19 : 31,343.28 = 6,103.23 : x
  2. Step 2: Convert to fraction form
    20,894.19/31,343.28 = 6,103.23/x
  3. Step 3: Cross multiply
    20,894.19x = 31,343.28 × 6,103.23
  4. Step 4: Simplify right side
    20,894.19x = 191,295,246.79
  5. Step 5: Solve for x
    x = 191,295,246.79/20,894.19
  6. Step 6: Final answer
    x = 9,155.43

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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.