Home / 18,148.90-25,044.67-10,083.07

Finding the Fourth Proportional to 18,148.90, 25,044.67 and 10,083.07

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Solution

The fourth proportional to 18,148.90, 25,044.67 and 10,083.07 is: 13,914.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.90 : 25,044.67 = 10,083.07 : x
  2. Step 2: Convert to fraction form
    18,148.90/25,044.67 = 10,083.07/x
  3. Step 3: Cross multiply
    18,148.90x = 25,044.67 × 10,083.07
  4. Step 4: Simplify right side
    18,148.90x = 252,527,198.14
  5. Step 5: Solve for x
    x = 252,527,198.14/18,148.90
  6. Step 6: Final answer
    x = 13,914.19

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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.