Home / 21,433.68-32,151.74-7,394.36

Finding the Fourth Proportional to 21,433.68, 32,151.74 and 7,394.36

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Solution

The fourth proportional to 21,433.68, 32,151.74 and 7,394.36 is: 11,091.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,433.68 : 32,151.74 = 7,394.36 : x
  2. Step 2: Convert to fraction form
    21,433.68/32,151.74 = 7,394.36/x
  3. Step 3: Cross multiply
    21,433.68x = 32,151.74 × 7,394.36
  4. Step 4: Simplify right side
    21,433.68x = 237,741,342.46
  5. Step 5: Solve for x
    x = 237,741,342.46/21,433.68
  6. Step 6: Final answer
    x = 11,091.95

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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.