Home / 13,983.35-19,294.83-8,318.30

Finding the Fourth Proportional to 13,983.35, 19,294.83 and 8,318.30

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Solution

The fourth proportional to 13,983.35, 19,294.83 and 8,318.30 is: 11,477.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.35 : 19,294.83 = 8,318.30 : x
  2. Step 2: Convert to fraction form
    13,983.35/19,294.83 = 8,318.30/x
  3. Step 3: Cross multiply
    13,983.35x = 19,294.83 × 8,318.30
  4. Step 4: Simplify right side
    13,983.35x = 160,500,184.39
  5. Step 5: Solve for x
    x = 160,500,184.39/13,983.35
  6. Step 6: Final answer
    x = 11,477.95

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Similar ratio
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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.