Home / 11,941.92-17,901.36-4,145.76

Finding the Fourth Proportional to 11,941.92, 17,901.36 and 4,145.76

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Solution

The fourth proportional to 11,941.92, 17,901.36 and 4,145.76 is: 6,214.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.92 : 17,901.36 = 4,145.76 : x
  2. Step 2: Convert to fraction form
    11,941.92/17,901.36 = 4,145.76/x
  3. Step 3: Cross multiply
    11,941.92x = 17,901.36 × 4,145.76
  4. Step 4: Simplify right side
    11,941.92x = 74,214,742.23
  5. Step 5: Solve for x
    x = 74,214,742.23/11,941.92
  6. Step 6: Final answer
    x = 6,214.64

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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.