Home / 11,101.87-16,657.16-5,263.39

Finding the Fourth Proportional to 11,101.87, 16,657.16 and 5,263.39

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Solution

The fourth proportional to 11,101.87, 16,657.16 and 5,263.39 is: 7,897.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.87 : 16,657.16 = 5,263.39 : x
  2. Step 2: Convert to fraction form
    11,101.87/16,657.16 = 5,263.39/x
  3. Step 3: Cross multiply
    11,101.87x = 16,657.16 × 5,263.39
  4. Step 4: Simplify right side
    11,101.87x = 87,673,129.37
  5. Step 5: Solve for x
    x = 87,673,129.37/11,101.87
  6. Step 6: Final answer
    x = 7,897.15

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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.