Home / 17,910.36-26,860.14-12,399.24

Finding the Fourth Proportional to 17,910.36, 26,860.14 and 12,399.24

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Solution

The fourth proportional to 17,910.36, 26,860.14 and 12,399.24 is: 18,595.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,910.36 : 26,860.14 = 12,399.24 : x
  2. Step 2: Convert to fraction form
    17,910.36/26,860.14 = 12,399.24/x
  3. Step 3: Cross multiply
    17,910.36x = 26,860.14 × 12,399.24
  4. Step 4: Simplify right side
    17,910.36x = 333,045,322.29
  5. Step 5: Solve for x
    x = 333,045,322.29/17,910.36
  6. Step 6: Final answer
    x = 18,595.12

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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.