Home / 11,945.67-17,916.07-6,685.93

Finding the Fourth Proportional to 11,945.67, 17,916.07 and 6,685.93

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Solution

The fourth proportional to 11,945.67, 17,916.07 and 6,685.93 is: 10,027.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.67 : 17,916.07 = 6,685.93 : x
  2. Step 2: Convert to fraction form
    11,945.67/17,916.07 = 6,685.93/x
  3. Step 3: Cross multiply
    11,945.67x = 17,916.07 × 6,685.93
  4. Step 4: Simplify right side
    11,945.67x = 119,785,589.90
  5. Step 5: Solve for x
    x = 119,785,589.90/11,945.67
  6. Step 6: Final answer
    x = 10,027.53

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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.