Home / 10,181.80-15,272.70-3,256.30

Finding the Fourth Proportional to 10,181.80, 15,272.70 and 3,256.30

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Solution

The fourth proportional to 10,181.80, 15,272.70 and 3,256.30 is: 4,884.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.80 : 15,272.70 = 3,256.30 : x
  2. Step 2: Convert to fraction form
    10,181.80/15,272.70 = 3,256.30/x
  3. Step 3: Cross multiply
    10,181.80x = 15,272.70 × 3,256.30
  4. Step 4: Simplify right side
    10,181.80x = 49,732,493.01
  5. Step 5: Solve for x
    x = 49,732,493.01/10,181.80
  6. Step 6: Final answer
    x = 4,884.45

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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.