Home / 10,988.06-16,484.88-3,196.87

Finding the Fourth Proportional to 10,988.06, 16,484.88 and 3,196.87

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Solution

The fourth proportional to 10,988.06, 16,484.88 and 3,196.87 is: 4,796.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.06 : 16,484.88 = 3,196.87 : x
  2. Step 2: Convert to fraction form
    10,988.06/16,484.88 = 3,196.87/x
  3. Step 3: Cross multiply
    10,988.06x = 16,484.88 × 3,196.87
  4. Step 4: Simplify right side
    10,988.06x = 52,699,935.90
  5. Step 5: Solve for x
    x = 52,699,935.90/10,988.06
  6. Step 6: Final answer
    x = 4,796.11

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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.