Home / 10,101.05-15,155.22-5,173.01

Finding the Fourth Proportional to 10,101.05, 15,155.22 and 5,173.01

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Solution

The fourth proportional to 10,101.05, 15,155.22 and 5,173.01 is: 7,761.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.05 : 15,155.22 = 5,173.01 : x
  2. Step 2: Convert to fraction form
    10,101.05/15,155.22 = 5,173.01/x
  3. Step 3: Cross multiply
    10,101.05x = 15,155.22 × 5,173.01
  4. Step 4: Simplify right side
    10,101.05x = 78,398,028.84
  5. Step 5: Solve for x
    x = 78,398,028.84/10,101.05
  6. Step 6: Final answer
    x = 7,761.38

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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.