Home / 10,243.80-15,373.26-4,404.78

Finding the Fourth Proportional to 10,243.80, 15,373.26 and 4,404.78

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Solution

The fourth proportional to 10,243.80, 15,373.26 and 4,404.78 is: 6,610.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.80 : 15,373.26 = 4,404.78 : x
  2. Step 2: Convert to fraction form
    10,243.80/15,373.26 = 4,404.78/x
  3. Step 3: Cross multiply
    10,243.80x = 15,373.26 × 4,404.78
  4. Step 4: Simplify right side
    10,243.80x = 67,715,828.18
  5. Step 5: Solve for x
    x = 67,715,828.18/10,243.80
  6. Step 6: Final answer
    x = 6,610.42

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1.5x scale

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.