Home / 21,233.47-31,850.21-6,240.59

Finding the Fourth Proportional to 21,233.47, 31,850.21 and 6,240.59

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Solution

The fourth proportional to 21,233.47, 31,850.21 and 6,240.59 is: 9,360.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,233.47 : 31,850.21 = 6,240.59 : x
  2. Step 2: Convert to fraction form
    21,233.47/31,850.21 = 6,240.59/x
  3. Step 3: Cross multiply
    21,233.47x = 31,850.21 × 6,240.59
  4. Step 4: Simplify right side
    21,233.47x = 198,763,911.57
  5. Step 5: Solve for x
    x = 198,763,911.57/21,233.47
  6. Step 6: Final answer
    x = 9,360.88

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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.