Home / 11,858.64-16,363.25-6,820.94

Finding the Fourth Proportional to 11,858.64, 16,363.25 and 6,820.94

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Solution

The fourth proportional to 11,858.64, 16,363.25 and 6,820.94 is: 9,411.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.64 : 16,363.25 = 6,820.94 : x
  2. Step 2: Convert to fraction form
    11,858.64/16,363.25 = 6,820.94/x
  3. Step 3: Cross multiply
    11,858.64x = 16,363.25 × 6,820.94
  4. Step 4: Simplify right side
    11,858.64x = 111,612,778.84
  5. Step 5: Solve for x
    x = 111,612,778.84/11,858.64
  6. Step 6: Final answer
    x = 9,411.94

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.