Home / 14,578.48-21,871.28-4,190.16

Finding the Fourth Proportional to 14,578.48, 21,871.28 and 4,190.16

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Solution

The fourth proportional to 14,578.48, 21,871.28 and 4,190.16 is: 6,286.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,578.48 : 21,871.28 = 4,190.16 : x
  2. Step 2: Convert to fraction form
    14,578.48/21,871.28 = 4,190.16/x
  3. Step 3: Cross multiply
    14,578.48x = 21,871.28 × 4,190.16
  4. Step 4: Simplify right side
    14,578.48x = 91,644,162.60
  5. Step 5: Solve for x
    x = 91,644,162.60/14,578.48
  6. Step 6: Final answer
    x = 6,286.26

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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.