Home / 15,185.88-22,778.69-4,797.63

Finding the Fourth Proportional to 15,185.88, 22,778.69 and 4,797.63

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Solution

The fourth proportional to 15,185.88, 22,778.69 and 4,797.63 is: 7,196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185.88 : 22,778.69 = 4,797.63 : x
  2. Step 2: Convert to fraction form
    15,185.88/22,778.69 = 4,797.63/x
  3. Step 3: Cross multiply
    15,185.88x = 22,778.69 × 4,797.63
  4. Step 4: Simplify right side
    15,185.88x = 109,283,702.52
  5. Step 5: Solve for x
    x = 109,283,702.52/15,185.88
  6. Step 6: Final answer
    x = 7,196.40

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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.