Home / 10,174.56-15,268.32-5,556.48

Finding the Fourth Proportional to 10,174.56, 15,268.32 and 5,556.48

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Solution

The fourth proportional to 10,174.56, 15,268.32 and 5,556.48 is: 8,338.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,174.56 : 15,268.32 = 5,556.48 : x
  2. Step 2: Convert to fraction form
    10,174.56/15,268.32 = 5,556.48/x
  3. Step 3: Cross multiply
    10,174.56x = 15,268.32 × 5,556.48
  4. Step 4: Simplify right side
    10,174.56x = 84,838,114.71
  5. Step 5: Solve for x
    x = 84,838,114.71/10,174.56
  6. Step 6: Final answer
    x = 8,338.26

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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.