Home / 18,839.43-25,998.75-10,342.35

Finding the Fourth Proportional to 18,839.43, 25,998.75 and 10,342.35

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Solution

The fourth proportional to 18,839.43, 25,998.75 and 10,342.35 is: 14,272.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.43 : 25,998.75 = 10,342.35 : x
  2. Step 2: Convert to fraction form
    18,839.43/25,998.75 = 10,342.35/x
  3. Step 3: Cross multiply
    18,839.43x = 25,998.75 × 10,342.35
  4. Step 4: Simplify right side
    18,839.43x = 268,888,172.06
  5. Step 5: Solve for x
    x = 268,888,172.06/18,839.43
  6. Step 6: Final answer
    x = 14,272.63

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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.