Home / 9,418.48-14,120.43-4,490.44

Finding the Fourth Proportional to 9,418.48, 14,120.43 and 4,490.44

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Solution

The fourth proportional to 9,418.48, 14,120.43 and 4,490.44 is: 6,732.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.48 : 14,120.43 = 4,490.44 : x
  2. Step 2: Convert to fraction form
    9,418.48/14,120.43 = 4,490.44/x
  3. Step 3: Cross multiply
    9,418.48x = 14,120.43 × 4,490.44
  4. Step 4: Simplify right side
    9,418.48x = 63,406,891.55
  5. Step 5: Solve for x
    x = 63,406,891.55/9,418.48
  6. Step 6: Final answer
    x = 6,732.18

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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.