Home / 11,250.53-15,503.81-8,100.77

Finding the Fourth Proportional to 11,250.53, 15,503.81 and 8,100.77

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Solution

The fourth proportional to 11,250.53, 15,503.81 and 8,100.77 is: 11,163.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,250.53 : 15,503.81 = 8,100.77 : x
  2. Step 2: Convert to fraction form
    11,250.53/15,503.81 = 8,100.77/x
  3. Step 3: Cross multiply
    11,250.53x = 15,503.81 × 8,100.77
  4. Step 4: Simplify right side
    11,250.53x = 125,592,758.43
  5. Step 5: Solve for x
    x = 125,592,758.43/11,250.53
  6. Step 6: Final answer
    x = 11,163.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.