Home / 10,091.50-15,137.79-3,166.54

Finding the Fourth Proportional to 10,091.50, 15,137.79 and 3,166.54

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Solution

The fourth proportional to 10,091.50, 15,137.79 and 3,166.54 is: 4,749.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.50 : 15,137.79 = 3,166.54 : x
  2. Step 2: Convert to fraction form
    10,091.50/15,137.79 = 3,166.54/x
  3. Step 3: Cross multiply
    10,091.50x = 15,137.79 × 3,166.54
  4. Step 4: Simplify right side
    10,091.50x = 47,934,417.55
  5. Step 5: Solve for x
    x = 47,934,417.55/10,091.50
  6. Step 6: Final answer
    x = 4,749.98

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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.