Home / 11,357.47-17,037.81-3,960.85

Finding the Fourth Proportional to 11,357.47, 17,037.81 and 3,960.85

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Solution

The fourth proportional to 11,357.47, 17,037.81 and 3,960.85 is: 5,941.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,357.47 : 17,037.81 = 3,960.85 : x
  2. Step 2: Convert to fraction form
    11,357.47/17,037.81 = 3,960.85/x
  3. Step 3: Cross multiply
    11,357.47x = 17,037.81 × 3,960.85
  4. Step 4: Simplify right side
    11,357.47x = 67,484,209.74
  5. Step 5: Solve for x
    x = 67,484,209.74/11,357.47
  6. Step 6: Final answer
    x = 5,941.83

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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.