Home / 18,839.18-25,998.54-10,342.15

Finding the Fourth Proportional to 18,839.18, 25,998.54 and 10,342.15

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Solution

The fourth proportional to 18,839.18, 25,998.54 and 10,342.15 is: 14,272.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.18 : 25,998.54 = 10,342.15 : x
  2. Step 2: Convert to fraction form
    18,839.18/25,998.54 = 10,342.15/x
  3. Step 3: Cross multiply
    18,839.18x = 25,998.54 × 10,342.15
  4. Step 4: Simplify right side
    18,839.18x = 268,880,696.68
  5. Step 5: Solve for x
    x = 268,880,696.68/18,839.18
  6. Step 6: Final answer
    x = 14,272.42

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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.