Home / 9,419.71-14,126.86-3,872.11

Finding the Fourth Proportional to 9,419.71, 14,126.86 and 3,872.11

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Solution

The fourth proportional to 9,419.71, 14,126.86 and 3,872.11 is: 5,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419.71 : 14,126.86 = 3,872.11 : x
  2. Step 2: Convert to fraction form
    9,419.71/14,126.86 = 3,872.11/x
  3. Step 3: Cross multiply
    9,419.71x = 14,126.86 × 3,872.11
  4. Step 4: Simplify right side
    9,419.71x = 54,700,755.87
  5. Step 5: Solve for x
    x = 54,700,755.87/9,419.71
  6. Step 6: Final answer
    x = 5,807.05

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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.