Home / 11,275.35-16,915.95-3,378.03

Finding the Fourth Proportional to 11,275.35, 16,915.95 and 3,378.03

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Solution

The fourth proportional to 11,275.35, 16,915.95 and 3,378.03 is: 5,067.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.35 : 16,915.95 = 3,378.03 : x
  2. Step 2: Convert to fraction form
    11,275.35/16,915.95 = 3,378.03/x
  3. Step 3: Cross multiply
    11,275.35x = 16,915.95 × 3,378.03
  4. Step 4: Simplify right side
    11,275.35x = 57,142,586.58
  5. Step 5: Solve for x
    x = 57,142,586.58/11,275.35
  6. Step 6: Final answer
    x = 5,067.92

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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.