Home / 9,189.95-13,784.91-3,995.82

Finding the Fourth Proportional to 9,189.95, 13,784.91 and 3,995.82

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Solution

The fourth proportional to 9,189.95, 13,784.91 and 3,995.82 is: 5,993.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.95 : 13,784.91 = 3,995.82 : x
  2. Step 2: Convert to fraction form
    9,189.95/13,784.91 = 3,995.82/x
  3. Step 3: Cross multiply
    9,189.95x = 13,784.91 × 3,995.82
  4. Step 4: Simplify right side
    9,189.95x = 55,082,019.08
  5. Step 5: Solve for x
    x = 55,082,019.08/9,189.95
  6. Step 6: Final answer
    x = 5,993.73

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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.