Home / 9,195.94-12,690.43-5,004.19

Finding the Fourth Proportional to 9,195.94, 12,690.43 and 5,004.19

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Solution

The fourth proportional to 9,195.94, 12,690.43 and 5,004.19 is: 6,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195.94 : 12,690.43 = 5,004.19 : x
  2. Step 2: Convert to fraction form
    9,195.94/12,690.43 = 5,004.19/x
  3. Step 3: Cross multiply
    9,195.94x = 12,690.43 × 5,004.19
  4. Step 4: Simplify right side
    9,195.94x = 63,505,278.67
  5. Step 5: Solve for x
    x = 63,505,278.67/9,195.94
  6. Step 6: Final answer
    x = 6,905.80

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Half scale
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Double scale
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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.