Home / 11,263.76-16,889.58-7,983.26

Finding the Fourth Proportional to 11,263.76, 16,889.58 and 7,983.26

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Solution

The fourth proportional to 11,263.76, 16,889.58 and 7,983.26 is: 11,970.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,263.76 : 16,889.58 = 7,983.26 : x
  2. Step 2: Convert to fraction form
    11,263.76/16,889.58 = 7,983.26/x
  3. Step 3: Cross multiply
    11,263.76x = 16,889.58 × 7,983.26
  4. Step 4: Simplify right side
    11,263.76x = 134,833,908.43
  5. Step 5: Solve for x
    x = 134,833,908.43/11,263.76
  6. Step 6: Final answer
    x = 11,970.59

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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.