Home / 11,510.13-17,268.36-4,115.37

Finding the Fourth Proportional to 11,510.13, 17,268.36 and 4,115.37

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Solution

The fourth proportional to 11,510.13, 17,268.36 and 4,115.37 is: 6,174.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510.13 : 17,268.36 = 4,115.37 : x
  2. Step 2: Convert to fraction form
    11,510.13/17,268.36 = 4,115.37/x
  3. Step 3: Cross multiply
    11,510.13x = 17,268.36 × 4,115.37
  4. Step 4: Simplify right side
    11,510.13x = 71,065,690.69
  5. Step 5: Solve for x
    x = 71,065,690.69/11,510.13
  6. Step 6: Final answer
    x = 6,174.19

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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.