Home / 9,288.68-13,915.40-5,122.44

Finding the Fourth Proportional to 9,288.68, 13,915.40 and 5,122.44

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Solution

The fourth proportional to 9,288.68, 13,915.40 and 5,122.44 is: 7,673.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.68 : 13,915.40 = 5,122.44 : x
  2. Step 2: Convert to fraction form
    9,288.68/13,915.40 = 5,122.44/x
  3. Step 3: Cross multiply
    9,288.68x = 13,915.40 × 5,122.44
  4. Step 4: Simplify right side
    9,288.68x = 71,280,775.96
  5. Step 5: Solve for x
    x = 71,280,775.96/9,288.68
  6. Step 6: Final answer
    x = 7,673.94

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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.