Home / 10,170.72-15,236.08-6,697.44

Finding the Fourth Proportional to 10,170.72, 15,236.08 and 6,697.44

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Solution

The fourth proportional to 10,170.72, 15,236.08 and 6,697.44 is: 10,032.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,170.72 : 15,236.08 = 6,697.44 : x
  2. Step 2: Convert to fraction form
    10,170.72/15,236.08 = 6,697.44/x
  3. Step 3: Cross multiply
    10,170.72x = 15,236.08 × 6,697.44
  4. Step 4: Simplify right side
    10,170.72x = 102,042,731.64
  5. Step 5: Solve for x
    x = 102,042,731.64/10,170.72
  6. Step 6: Final answer
    x = 10,032.99

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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.