Home / 21,474.33-32,213.69-7,434.33

Finding the Fourth Proportional to 21,474.33, 32,213.69 and 7,434.33

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Solution

The fourth proportional to 21,474.33, 32,213.69 and 7,434.33 is: 11,152.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,474.33 : 32,213.69 = 7,434.33 : x
  2. Step 2: Convert to fraction form
    21,474.33/32,213.69 = 7,434.33/x
  3. Step 3: Cross multiply
    21,474.33x = 32,213.69 × 7,434.33
  4. Step 4: Simplify right side
    21,474.33x = 239,487,201.98
  5. Step 5: Solve for x
    x = 239,487,201.98/21,474.33
  6. Step 6: Final answer
    x = 11,152.26

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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.