Home / 11,681.39-17,497.18-9,450.65

Finding the Fourth Proportional to 11,681.39, 17,497.18 and 9,450.65

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Solution

The fourth proportional to 11,681.39, 17,497.18 and 9,450.65 is: 14,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,681.39 : 17,497.18 = 9,450.65 : x
  2. Step 2: Convert to fraction form
    11,681.39/17,497.18 = 9,450.65/x
  3. Step 3: Cross multiply
    11,681.39x = 17,497.18 × 9,450.65
  4. Step 4: Simplify right side
    11,681.39x = 165,359,724.17
  5. Step 5: Solve for x
    x = 165,359,724.17/11,681.39
  6. Step 6: Final answer
    x = 14,155.83

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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.