Home / 17,379.18-26,021.07-13,150.17

Finding the Fourth Proportional to 17,379.18, 26,021.07 and 13,150.17

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Solution

The fourth proportional to 17,379.18, 26,021.07 and 13,150.17 is: 19,689.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,379.18 : 26,021.07 = 13,150.17 : x
  2. Step 2: Convert to fraction form
    17,379.18/26,021.07 = 13,150.17/x
  3. Step 3: Cross multiply
    17,379.18x = 26,021.07 × 13,150.17
  4. Step 4: Simplify right side
    17,379.18x = 342,181,494.08
  5. Step 5: Solve for x
    x = 342,181,494.08/17,379.18
  6. Step 6: Final answer
    x = 19,689.16

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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.