Home / 10,277.11-15,416.85-3,611.56

Finding the Fourth Proportional to 10,277.11, 15,416.85 and 3,611.56

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Solution

The fourth proportional to 10,277.11, 15,416.85 and 3,611.56 is: 5,417.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,277.11 : 15,416.85 = 3,611.56 : x
  2. Step 2: Convert to fraction form
    10,277.11/15,416.85 = 3,611.56/x
  3. Step 3: Cross multiply
    10,277.11x = 15,416.85 × 3,611.56
  4. Step 4: Simplify right side
    10,277.11x = 55,678,878.79
  5. Step 5: Solve for x
    x = 55,678,878.79/10,277.11
  6. Step 6: Final answer
    x = 5,417.76

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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.