Home / 13,539.87-20,304.69-4,652.66

Finding the Fourth Proportional to 13,539.87, 20,304.69 and 4,652.66

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Solution

The fourth proportional to 13,539.87, 20,304.69 and 4,652.66 is: 6,977.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,539.87 : 20,304.69 = 4,652.66 : x
  2. Step 2: Convert to fraction form
    13,539.87/20,304.69 = 4,652.66/x
  3. Step 3: Cross multiply
    13,539.87x = 20,304.69 × 4,652.66
  4. Step 4: Simplify right side
    13,539.87x = 94,470,717.45
  5. Step 5: Solve for x
    x = 94,470,717.45/13,539.87
  6. Step 6: Final answer
    x = 6,977.22

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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.