Home / 10,112.04-15,170.58-3,186.54

Finding the Fourth Proportional to 10,112.04, 15,170.58 and 3,186.54

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Solution

The fourth proportional to 10,112.04, 15,170.58 and 3,186.54 is: 4,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.04 : 15,170.58 = 3,186.54 : x
  2. Step 2: Convert to fraction form
    10,112.04/15,170.58 = 3,186.54/x
  3. Step 3: Cross multiply
    10,112.04x = 15,170.58 × 3,186.54
  4. Step 4: Simplify right side
    10,112.04x = 48,341,659.99
  5. Step 5: Solve for x
    x = 48,341,659.99/10,112.04
  6. Step 6: Final answer
    x = 4,780.60

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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.