Home / 14,252.38-21,379.46-5,487.30

Finding the Fourth Proportional to 14,252.38, 21,379.46 and 5,487.30

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Solution

The fourth proportional to 14,252.38, 21,379.46 and 5,487.30 is: 8,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,252.38 : 21,379.46 = 5,487.30 : x
  2. Step 2: Convert to fraction form
    14,252.38/21,379.46 = 5,487.30/x
  3. Step 3: Cross multiply
    14,252.38x = 21,379.46 × 5,487.30
  4. Step 4: Simplify right side
    14,252.38x = 117,315,510.86
  5. Step 5: Solve for x
    x = 117,315,510.86/14,252.38
  6. Step 6: Final answer
    x = 8,231.29

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1.5x scale

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.