Home / 11,128.84-16,693.26-3,337.66

Finding the Fourth Proportional to 11,128.84, 16,693.26 and 3,337.66

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Solution

The fourth proportional to 11,128.84, 16,693.26 and 3,337.66 is: 5,006.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.84 : 16,693.26 = 3,337.66 : x
  2. Step 2: Convert to fraction form
    11,128.84/16,693.26 = 3,337.66/x
  3. Step 3: Cross multiply
    11,128.84x = 16,693.26 × 3,337.66
  4. Step 4: Simplify right side
    11,128.84x = 55,716,426.17
  5. Step 5: Solve for x
    x = 55,716,426.17/11,128.84
  6. Step 6: Final answer
    x = 5,006.49

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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.