Home / 14,291.38-21,436.24-4,295.91

Finding the Fourth Proportional to 14,291.38, 21,436.24 and 4,295.91

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Solution

The fourth proportional to 14,291.38, 21,436.24 and 4,295.91 is: 6,443.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.38 : 21,436.24 = 4,295.91 : x
  2. Step 2: Convert to fraction form
    14,291.38/21,436.24 = 4,295.91/x
  3. Step 3: Cross multiply
    14,291.38x = 21,436.24 × 4,295.91
  4. Step 4: Simplify right side
    14,291.38x = 92,088,157.78
  5. Step 5: Solve for x
    x = 92,088,157.78/14,291.38
  6. Step 6: Final answer
    x = 6,443.62

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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.