Home / 11,934.63-17,902.13-4,143.69

Finding the Fourth Proportional to 11,934.63, 17,902.13 and 4,143.69

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Solution

The fourth proportional to 11,934.63, 17,902.13 and 4,143.69 is: 6,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.63 : 17,902.13 = 4,143.69 : x
  2. Step 2: Convert to fraction form
    11,934.63/17,902.13 = 4,143.69/x
  3. Step 3: Cross multiply
    11,934.63x = 17,902.13 × 4,143.69
  4. Step 4: Simplify right side
    11,934.63x = 74,180,856.34
  5. Step 5: Solve for x
    x = 74,180,856.34/11,934.63
  6. Step 6: Final answer
    x = 6,215.60

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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.