Home / 9,418.39-14,129.91-6,650.48

Finding the Fourth Proportional to 9,418.39, 14,129.91 and 6,650.48

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Solution

The fourth proportional to 9,418.39, 14,129.91 and 6,650.48 is: 9,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.39 : 14,129.91 = 6,650.48 : x
  2. Step 2: Convert to fraction form
    9,418.39/14,129.91 = 6,650.48/x
  3. Step 3: Cross multiply
    9,418.39x = 14,129.91 × 6,650.48
  4. Step 4: Simplify right side
    9,418.39x = 93,970,719.18
  5. Step 5: Solve for x
    x = 93,970,719.18/9,418.39
  6. Step 6: Final answer
    x = 9,977.37

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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.