Home / 9,939.21-14,908.77-2,543.64

Finding the Fourth Proportional to 9,939.21, 14,908.77 and 2,543.64

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Solution

The fourth proportional to 9,939.21, 14,908.77 and 2,543.64 is: 3,815.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.21 : 14,908.77 = 2,543.64 : x
  2. Step 2: Convert to fraction form
    9,939.21/14,908.77 = 2,543.64/x
  3. Step 3: Cross multiply
    9,939.21x = 14,908.77 × 2,543.64
  4. Step 4: Simplify right side
    9,939.21x = 37,922,543.72
  5. Step 5: Solve for x
    x = 37,922,543.72/9,939.21
  6. Step 6: Final answer
    x = 3,815.45

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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.