Home / 9,982-14,972.37-3,896.74

Finding the Fourth Proportional to 9,982, 14,972.37 and 3,896.74

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Solution

The fourth proportional to 9,982, 14,972.37 and 3,896.74 is: 5,844.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982 : 14,972.37 = 3,896.74 : x
  2. Step 2: Convert to fraction form
    9,982/14,972.37 = 3,896.74/x
  3. Step 3: Cross multiply
    9,982x = 14,972.37 × 3,896.74
  4. Step 4: Simplify right side
    9,982x = 58,343,433.07
  5. Step 5: Solve for x
    x = 58,343,433.07/9,982
  6. Step 6: Final answer
    x = 5,844.86

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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.