Home / 21,006.88-31,515.38-6,014.22

Finding the Fourth Proportional to 21,006.88, 31,515.38 and 6,014.22

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Solution

The fourth proportional to 21,006.88, 31,515.38 and 6,014.22 is: 9,022.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,006.88 : 31,515.38 = 6,014.22 : x
  2. Step 2: Convert to fraction form
    21,006.88/31,515.38 = 6,014.22/x
  3. Step 3: Cross multiply
    21,006.88x = 31,515.38 × 6,014.22
  4. Step 4: Simplify right side
    21,006.88x = 189,540,428.70
  5. Step 5: Solve for x
    x = 189,540,428.70/21,006.88
  6. Step 6: Final answer
    x = 9,022.78

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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.