Home / 10,103.01-15,161.43-3,529.20

Finding the Fourth Proportional to 10,103.01, 15,161.43 and 3,529.20

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Solution

The fourth proportional to 10,103.01, 15,161.43 and 3,529.20 is: 5,296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.01 : 15,161.43 = 3,529.20 : x
  2. Step 2: Convert to fraction form
    10,103.01/15,161.43 = 3,529.20/x
  3. Step 3: Cross multiply
    10,103.01x = 15,161.43 × 3,529.20
  4. Step 4: Simplify right side
    10,103.01x = 53,507,718.76
  5. Step 5: Solve for x
    x = 53,507,718.76/10,103.01
  6. Step 6: Final answer
    x = 5,296.22

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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.