Home / 12,585.18-18,891.44-5,093.90

Finding the Fourth Proportional to 12,585.18, 18,891.44 and 5,093.90

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Solution

The fourth proportional to 12,585.18, 18,891.44 and 5,093.90 is: 7,646.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585.18 : 18,891.44 = 5,093.90 : x
  2. Step 2: Convert to fraction form
    12,585.18/18,891.44 = 5,093.90/x
  3. Step 3: Cross multiply
    12,585.18x = 18,891.44 × 5,093.90
  4. Step 4: Simplify right side
    12,585.18x = 96,231,024.49
  5. Step 5: Solve for x
    x = 96,231,024.49/12,585.18
  6. Step 6: Final answer
    x = 7,646.38

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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.