Home / 11,379.07-17,068.61-5,530.65

Finding the Fourth Proportional to 11,379.07, 17,068.61 and 5,530.65

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Solution

The fourth proportional to 11,379.07, 17,068.61 and 5,530.65 is: 8,295.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,379.07 : 17,068.61 = 5,530.65 : x
  2. Step 2: Convert to fraction form
    11,379.07/17,068.61 = 5,530.65/x
  3. Step 3: Cross multiply
    11,379.07x = 17,068.61 × 5,530.65
  4. Step 4: Simplify right side
    11,379.07x = 94,400,507.90
  5. Step 5: Solve for x
    x = 94,400,507.90/11,379.07
  6. Step 6: Final answer
    x = 8,295.98

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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.