Home / 11,463.21-17,195.13-3,143.34

Finding the Fourth Proportional to 11,463.21, 17,195.13 and 3,143.34

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Solution

The fourth proportional to 11,463.21, 17,195.13 and 3,143.34 is: 4,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,463.21 : 17,195.13 = 3,143.34 : x
  2. Step 2: Convert to fraction form
    11,463.21/17,195.13 = 3,143.34/x
  3. Step 3: Cross multiply
    11,463.21x = 17,195.13 × 3,143.34
  4. Step 4: Simplify right side
    11,463.21x = 54,050,139.93
  5. Step 5: Solve for x
    x = 54,050,139.93/11,463.21
  6. Step 6: Final answer
    x = 4,715.10

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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.