Home / 15,744.72-23,622.54-6,985.78

Finding the Fourth Proportional to 15,744.72, 23,622.54 and 6,985.78

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Solution

The fourth proportional to 15,744.72, 23,622.54 and 6,985.78 is: 10,481.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,744.72 : 23,622.54 = 6,985.78 : x
  2. Step 2: Convert to fraction form
    15,744.72/23,622.54 = 6,985.78/x
  3. Step 3: Cross multiply
    15,744.72x = 23,622.54 × 6,985.78
  4. Step 4: Simplify right side
    15,744.72x = 165,021,867.48
  5. Step 5: Solve for x
    x = 165,021,867.48/15,744.72
  6. Step 6: Final answer
    x = 10,481.09

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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.