Home / 10,100.80-15,151.20-4,556.76

Finding the Fourth Proportional to 10,100.80, 15,151.20 and 4,556.76

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Solution

The fourth proportional to 10,100.80, 15,151.20 and 4,556.76 is: 6,835.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.80 : 15,151.20 = 4,556.76 : x
  2. Step 2: Convert to fraction form
    10,100.80/15,151.20 = 4,556.76/x
  3. Step 3: Cross multiply
    10,100.80x = 15,151.20 × 4,556.76
  4. Step 4: Simplify right side
    10,100.80x = 69,040,382.11
  5. Step 5: Solve for x
    x = 69,040,382.11/10,100.80
  6. Step 6: Final answer
    x = 6,835.14

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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.