Home / 21,257.22-31,880.96-6,260.46

Finding the Fourth Proportional to 21,257.22, 31,880.96 and 6,260.46

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Solution

The fourth proportional to 21,257.22, 31,880.96 and 6,260.46 is: 9,389.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,257.22 : 31,880.96 = 6,260.46 : x
  2. Step 2: Convert to fraction form
    21,257.22/31,880.96 = 6,260.46/x
  3. Step 3: Cross multiply
    21,257.22x = 31,880.96 × 6,260.46
  4. Step 4: Simplify right side
    21,257.22x = 199,589,474.84
  5. Step 5: Solve for x
    x = 199,589,474.84/21,257.22
  6. Step 6: Final answer
    x = 9,389.26

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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.