Home / 18,839.03-28,263.20-13,303.22

Finding the Fourth Proportional to 18,839.03, 28,263.20 and 13,303.22

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Solution

The fourth proportional to 18,839.03, 28,263.20 and 13,303.22 is: 19,958.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.03 : 28,263.20 = 13,303.22 : x
  2. Step 2: Convert to fraction form
    18,839.03/28,263.20 = 13,303.22/x
  3. Step 3: Cross multiply
    18,839.03x = 28,263.20 × 13,303.22
  4. Step 4: Simplify right side
    18,839.03x = 375,991,359.67
  5. Step 5: Solve for x
    x = 375,991,359.67/18,839.03
  6. Step 6: Final answer
    x = 19,958.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.