Home / 9,118.55-13,677.83-2,193.05

Finding the Fourth Proportional to 9,118.55, 13,677.83 and 2,193.05

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Solution

The fourth proportional to 9,118.55, 13,677.83 and 2,193.05 is: 3,289.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.55 : 13,677.83 = 2,193.05 : x
  2. Step 2: Convert to fraction form
    9,118.55/13,677.83 = 2,193.05/x
  3. Step 3: Cross multiply
    9,118.55x = 13,677.83 × 2,193.05
  4. Step 4: Simplify right side
    9,118.55x = 29,996,196.53
  5. Step 5: Solve for x
    x = 29,996,196.53/9,118.55
  6. Step 6: Final answer
    x = 3,289.58

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Similar ratio
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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.