Home / 10,644.08-15,974.40-6,945.36

Finding the Fourth Proportional to 10,644.08, 15,974.40 and 6,945.36

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Solution

The fourth proportional to 10,644.08, 15,974.40 and 6,945.36 is: 10,423.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.08 : 15,974.40 = 6,945.36 : x
  2. Step 2: Convert to fraction form
    10,644.08/15,974.40 = 6,945.36/x
  3. Step 3: Cross multiply
    10,644.08x = 15,974.40 × 6,945.36
  4. Step 4: Simplify right side
    10,644.08x = 110,947,958.78
  5. Step 5: Solve for x
    x = 110,947,958.78/10,644.08
  6. Step 6: Final answer
    x = 10,423.44

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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.