Home / 18,839.81-25,999.26-10,342.73

Finding the Fourth Proportional to 18,839.81, 25,999.26 and 10,342.73

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Solution

The fourth proportional to 18,839.81, 25,999.26 and 10,342.73 is: 14,273.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.81 : 25,999.26 = 10,342.73 : x
  2. Step 2: Convert to fraction form
    18,839.81/25,999.26 = 10,342.73/x
  3. Step 3: Cross multiply
    18,839.81x = 25,999.26 × 10,342.73
  4. Step 4: Simplify right side
    18,839.81x = 268,903,326.38
  5. Step 5: Solve for x
    x = 268,903,326.38/18,839.81
  6. Step 6: Final answer
    x = 14,273.14

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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.