Home / 11,813.33-17,718.98-3,915.02

Finding the Fourth Proportional to 11,813.33, 17,718.98 and 3,915.02

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Solution

The fourth proportional to 11,813.33, 17,718.98 and 3,915.02 is: 5,872.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.33 : 17,718.98 = 3,915.02 : x
  2. Step 2: Convert to fraction form
    11,813.33/17,718.98 = 3,915.02/x
  3. Step 3: Cross multiply
    11,813.33x = 17,718.98 × 3,915.02
  4. Step 4: Simplify right side
    11,813.33x = 69,370,052.91
  5. Step 5: Solve for x
    x = 69,370,052.91/11,813.33
  6. Step 6: Final answer
    x = 5,872.19

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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.