Home / 11,208.60-16,812.90-7,490.70

Finding the Fourth Proportional to 11,208.60, 16,812.90 and 7,490.70

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Solution

The fourth proportional to 11,208.60, 16,812.90 and 7,490.70 is: 11,236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.60 : 16,812.90 = 7,490.70 : x
  2. Step 2: Convert to fraction form
    11,208.60/16,812.90 = 7,490.70/x
  3. Step 3: Cross multiply
    11,208.60x = 16,812.90 × 7,490.70
  4. Step 4: Simplify right side
    11,208.60x = 125,940,390.03
  5. Step 5: Solve for x
    x = 125,940,390.03/11,208.60
  6. Step 6: Final answer
    x = 11,236.05

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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.