Home / 11,339.19-17,008.72-4,413.69

Finding the Fourth Proportional to 11,339.19, 17,008.72 and 4,413.69

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Solution

The fourth proportional to 11,339.19, 17,008.72 and 4,413.69 is: 6,620.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.19 : 17,008.72 = 4,413.69 : x
  2. Step 2: Convert to fraction form
    11,339.19/17,008.72 = 4,413.69/x
  3. Step 3: Cross multiply
    11,339.19x = 17,008.72 × 4,413.69
  4. Step 4: Simplify right side
    11,339.19x = 75,071,206.34
  5. Step 5: Solve for x
    x = 75,071,206.34/11,339.19
  6. Step 6: Final answer
    x = 6,620.51

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Half scale
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Double scale
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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.