Home / 13,553.14-20,325.54-4,786

Finding the Fourth Proportional to 13,553.14, 20,325.54 and 4,786

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Solution

The fourth proportional to 13,553.14, 20,325.54 and 4,786 is: 7,177.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553.14 : 20,325.54 = 4,786 : x
  2. Step 2: Convert to fraction form
    13,553.14/20,325.54 = 4,786/x
  3. Step 3: Cross multiply
    13,553.14x = 20,325.54 × 4,786
  4. Step 4: Simplify right side
    13,553.14x = 97,278,034.44
  5. Step 5: Solve for x
    x = 97,278,034.44/13,553.14
  6. Step 6: Final answer
    x = 7,177.53

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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.