Home / 14,589.28-21,869.82-4,721.86

Finding the Fourth Proportional to 14,589.28, 21,869.82 and 4,721.86

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Solution

The fourth proportional to 14,589.28, 21,869.82 and 4,721.86 is: 7,078.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,589.28 : 21,869.82 = 4,721.86 : x
  2. Step 2: Convert to fraction form
    14,589.28/21,869.82 = 4,721.86/x
  3. Step 3: Cross multiply
    14,589.28x = 21,869.82 × 4,721.86
  4. Step 4: Simplify right side
    14,589.28x = 103,266,228.27
  5. Step 5: Solve for x
    x = 103,266,228.27/14,589.28
  6. Step 6: Final answer
    x = 7,078.23

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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.