Home / 11,439.00-17,082.37-11,315.29

Finding the Fourth Proportional to 11,439.00, 17,082.37 and 11,315.29

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Solution

The fourth proportional to 11,439.00, 17,082.37 and 11,315.29 is: 16,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,439.00 : 17,082.37 = 11,315.29 : x
  2. Step 2: Convert to fraction form
    11,439.00/17,082.37 = 11,315.29/x
  3. Step 3: Cross multiply
    11,439.00x = 17,082.37 × 11,315.29
  4. Step 4: Simplify right side
    11,439.00x = 193,291,984.85
  5. Step 5: Solve for x
    x = 193,291,984.85/11,439.00
  6. Step 6: Final answer
    x = 16,897.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.