Home / 10,116.61-15,181.74-3,542.85

Finding the Fourth Proportional to 10,116.61, 15,181.74 and 3,542.85

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Solution

The fourth proportional to 10,116.61, 15,181.74 and 3,542.85 is: 5,316.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116.61 : 15,181.74 = 3,542.85 : x
  2. Step 2: Convert to fraction form
    10,116.61/15,181.74 = 3,542.85/x
  3. Step 3: Cross multiply
    10,116.61x = 15,181.74 × 3,542.85
  4. Step 4: Simplify right side
    10,116.61x = 53,786,627.56
  5. Step 5: Solve for x
    x = 53,786,627.56/10,116.61
  6. Step 6: Final answer
    x = 5,316.67

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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.