Home / 10,406.14-15,611.67-3,010.77

Finding the Fourth Proportional to 10,406.14, 15,611.67 and 3,010.77

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Solution

The fourth proportional to 10,406.14, 15,611.67 and 3,010.77 is: 4,516.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,406.14 : 15,611.67 = 3,010.77 : x
  2. Step 2: Convert to fraction form
    10,406.14/15,611.67 = 3,010.77/x
  3. Step 3: Cross multiply
    10,406.14x = 15,611.67 × 3,010.77
  4. Step 4: Simplify right side
    10,406.14x = 47,003,147.69
  5. Step 5: Solve for x
    x = 47,003,147.69/10,406.14
  6. Step 6: Final answer
    x = 4,516.87

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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.