Home / 18,880.82-26,044.77-11,707.46

Finding the Fourth Proportional to 18,880.82, 26,044.77 and 11,707.46

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Solution

The fourth proportional to 18,880.82, 26,044.77 and 11,707.46 is: 16,149.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.82 : 26,044.77 = 11,707.46 : x
  2. Step 2: Convert to fraction form
    18,880.82/26,044.77 = 11,707.46/x
  3. Step 3: Cross multiply
    18,880.82x = 26,044.77 × 11,707.46
  4. Step 4: Simplify right side
    18,880.82x = 304,918,102.98
  5. Step 5: Solve for x
    x = 304,918,102.98/18,880.82
  6. Step 6: Final answer
    x = 16,149.62

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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.