Home / 10,090.19-15,149.33-5,163.23

Finding the Fourth Proportional to 10,090.19, 15,149.33 and 5,163.23

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Solution

The fourth proportional to 10,090.19, 15,149.33 and 5,163.23 is: 7,752.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.19 : 15,149.33 = 5,163.23 : x
  2. Step 2: Convert to fraction form
    10,090.19/15,149.33 = 5,163.23/x
  3. Step 3: Cross multiply
    10,090.19x = 15,149.33 × 5,163.23
  4. Step 4: Simplify right side
    10,090.19x = 78,219,475.14
  5. Step 5: Solve for x
    x = 78,219,475.14/10,090.19
  6. Step 6: Final answer
    x = 7,752.03

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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.