Home / 10,554-15,835.56-5,622.24

Finding the Fourth Proportional to 10,554, 15,835.56 and 5,622.24

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Solution

The fourth proportional to 10,554, 15,835.56 and 5,622.24 is: 8,435.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554 : 15,835.56 = 5,622.24 : x
  2. Step 2: Convert to fraction form
    10,554/15,835.56 = 5,622.24/x
  3. Step 3: Cross multiply
    10,554x = 15,835.56 × 5,622.24
  4. Step 4: Simplify right side
    10,554x = 89,031,318.85
  5. Step 5: Solve for x
    x = 89,031,318.85/10,554
  6. Step 6: Final answer
    x = 8,435.79

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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.