Home / 18,839.48-26,003.26-12,873.56

Finding the Fourth Proportional to 18,839.48, 26,003.26 and 12,873.56

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Solution

The fourth proportional to 18,839.48, 26,003.26 and 12,873.56 is: 17,768.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.48 : 26,003.26 = 12,873.56 : x
  2. Step 2: Convert to fraction form
    18,839.48/26,003.26 = 12,873.56/x
  3. Step 3: Cross multiply
    18,839.48x = 26,003.26 × 12,873.56
  4. Step 4: Simplify right side
    18,839.48x = 334,754,527.81
  5. Step 5: Solve for x
    x = 334,754,527.81/18,839.48
  6. Step 6: Final answer
    x = 17,768.78

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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.