Home / 9,966.30-14,939.19-4,422.25

Finding the Fourth Proportional to 9,966.30, 14,939.19 and 4,422.25

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Solution

The fourth proportional to 9,966.30, 14,939.19 and 4,422.25 is: 6,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.30 : 14,939.19 = 4,422.25 : x
  2. Step 2: Convert to fraction form
    9,966.30/14,939.19 = 4,422.25/x
  3. Step 3: Cross multiply
    9,966.30x = 14,939.19 × 4,422.25
  4. Step 4: Simplify right side
    9,966.30x = 66,064,832.98
  5. Step 5: Solve for x
    x = 66,064,832.98/9,966.30
  6. Step 6: Final answer
    x = 6,628.83

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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.