Home / 21,433.21-32,153.49-7,394.69

Finding the Fourth Proportional to 21,433.21, 32,153.49 and 7,394.69

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Solution

The fourth proportional to 21,433.21, 32,153.49 and 7,394.69 is: 11,093.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,433.21 : 32,153.49 = 7,394.69 : x
  2. Step 2: Convert to fraction form
    21,433.21/32,153.49 = 7,394.69/x
  3. Step 3: Cross multiply
    21,433.21x = 32,153.49 × 7,394.69
  4. Step 4: Simplify right side
    21,433.21x = 237,765,171.35
  5. Step 5: Solve for x
    x = 237,765,171.35/21,433.21
  6. Step 6: Final answer
    x = 11,093.31

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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.