Home / 14,470.21-21,705.36-4,081.96

Finding the Fourth Proportional to 14,470.21, 21,705.36 and 4,081.96

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Solution

The fourth proportional to 14,470.21, 21,705.36 and 4,081.96 is: 6,122.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470.21 : 21,705.36 = 4,081.96 : x
  2. Step 2: Convert to fraction form
    14,470.21/21,705.36 = 4,081.96/x
  3. Step 3: Cross multiply
    14,470.21x = 21,705.36 × 4,081.96
  4. Step 4: Simplify right side
    14,470.21x = 88,600,411.31
  5. Step 5: Solve for x
    x = 88,600,411.31/14,470.21
  6. Step 6: Final answer
    x = 6,122.95

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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.