Home / 9,418.50-14,128.02-2,493

Finding the Fourth Proportional to 9,418.50, 14,128.02 and 2,493

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Solution

The fourth proportional to 9,418.50, 14,128.02 and 2,493 is: 3,739.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.50 : 14,128.02 = 2,493 : x
  2. Step 2: Convert to fraction form
    9,418.50/14,128.02 = 2,493/x
  3. Step 3: Cross multiply
    9,418.50x = 14,128.02 × 2,493
  4. Step 4: Simplify right side
    9,418.50x = 35,221,153.86
  5. Step 5: Solve for x
    x = 35,221,153.86/9,418.50
  6. Step 6: Final answer
    x = 3,739.57

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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.