Home / 15,553.98-23,334.60-5,165.72

Finding the Fourth Proportional to 15,553.98, 23,334.60 and 5,165.72

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Solution

The fourth proportional to 15,553.98, 23,334.60 and 5,165.72 is: 7,749.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.98 : 23,334.60 = 5,165.72 : x
  2. Step 2: Convert to fraction form
    15,553.98/23,334.60 = 5,165.72/x
  3. Step 3: Cross multiply
    15,553.98x = 23,334.60 × 5,165.72
  4. Step 4: Simplify right side
    15,553.98x = 120,540,009.91
  5. Step 5: Solve for x
    x = 120,540,009.91/15,553.98
  6. Step 6: Final answer
    x = 7,749.79

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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.