Home / 13,470.86-20,216.82-9,339.96

Finding the Fourth Proportional to 13,470.86, 20,216.82 and 9,339.96

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Solution

The fourth proportional to 13,470.86, 20,216.82 and 9,339.96 is: 14,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.86 : 20,216.82 = 9,339.96 : x
  2. Step 2: Convert to fraction form
    13,470.86/20,216.82 = 9,339.96/x
  3. Step 3: Cross multiply
    13,470.86x = 20,216.82 × 9,339.96
  4. Step 4: Simplify right side
    13,470.86x = 188,824,290.13
  5. Step 5: Solve for x
    x = 188,824,290.13/13,470.86
  6. Step 6: Final answer
    x = 14,017.24

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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.