Home / 10,838.40-16,257.60-4,260.99

Finding the Fourth Proportional to 10,838.40, 16,257.60 and 4,260.99

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Solution

The fourth proportional to 10,838.40, 16,257.60 and 4,260.99 is: 6,391.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,838.40 : 16,257.60 = 4,260.99 : x
  2. Step 2: Convert to fraction form
    10,838.40/16,257.60 = 4,260.99/x
  3. Step 3: Cross multiply
    10,838.40x = 16,257.60 × 4,260.99
  4. Step 4: Simplify right side
    10,838.40x = 69,273,471.02
  5. Step 5: Solve for x
    x = 69,273,471.02/10,838.40
  6. Step 6: Final answer
    x = 6,391.49

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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.