Home / 11,912.59-17,856.27-4,007.58

Finding the Fourth Proportional to 11,912.59, 17,856.27 and 4,007.58

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Solution

The fourth proportional to 11,912.59, 17,856.27 and 4,007.58 is: 6,007.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,912.59 : 17,856.27 = 4,007.58 : x
  2. Step 2: Convert to fraction form
    11,912.59/17,856.27 = 4,007.58/x
  3. Step 3: Cross multiply
    11,912.59x = 17,856.27 × 4,007.58
  4. Step 4: Simplify right side
    11,912.59x = 71,560,430.53
  5. Step 5: Solve for x
    x = 71,560,430.53/11,912.59
  6. Step 6: Final answer
    x = 6,007.13

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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.