Home / 18,879.43-26,063.63-11,808.13

Finding the Fourth Proportional to 18,879.43, 26,063.63 and 11,808.13

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Solution

The fourth proportional to 18,879.43, 26,063.63 and 11,808.13 is: 16,301.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,879.43 : 26,063.63 = 11,808.13 : x
  2. Step 2: Convert to fraction form
    18,879.43/26,063.63 = 11,808.13/x
  3. Step 3: Cross multiply
    18,879.43x = 26,063.63 × 11,808.13
  4. Step 4: Simplify right side
    18,879.43x = 307,762,731.31
  5. Step 5: Solve for x
    x = 307,762,731.31/18,879.43
  6. Step 6: Final answer
    x = 16,301.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.