Home / 9,936.21-13,717.98-6,581.88

Finding the Fourth Proportional to 9,936.21, 13,717.98 and 6,581.88

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Solution

The fourth proportional to 9,936.21, 13,717.98 and 6,581.88 is: 9,086.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936.21 : 13,717.98 = 6,581.88 : x
  2. Step 2: Convert to fraction form
    9,936.21/13,717.98 = 6,581.88/x
  3. Step 3: Cross multiply
    9,936.21x = 13,717.98 × 6,581.88
  4. Step 4: Simplify right side
    9,936.21x = 90,290,098.20
  5. Step 5: Solve for x
    x = 90,290,098.20/9,936.21
  6. Step 6: Final answer
    x = 9,086.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.