Home / 15,389.44-23,086.39-4,855.90

Finding the Fourth Proportional to 15,389.44, 23,086.39 and 4,855.90

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Solution

The fourth proportional to 15,389.44, 23,086.39 and 4,855.90 is: 7,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,389.44 : 23,086.39 = 4,855.90 : x
  2. Step 2: Convert to fraction form
    15,389.44/23,086.39 = 4,855.90/x
  3. Step 3: Cross multiply
    15,389.44x = 23,086.39 × 4,855.90
  4. Step 4: Simplify right side
    15,389.44x = 112,105,201.20
  5. Step 5: Solve for x
    x = 112,105,201.20/15,389.44
  6. Step 6: Final answer
    x = 7,284.55

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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.