Home / 13,364.80-20,041.04-3,874.96

Finding the Fourth Proportional to 13,364.80, 20,041.04 and 3,874.96

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Solution

The fourth proportional to 13,364.80, 20,041.04 and 3,874.96 is: 5,810.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.80 : 20,041.04 = 3,874.96 : x
  2. Step 2: Convert to fraction form
    13,364.80/20,041.04 = 3,874.96/x
  3. Step 3: Cross multiply
    13,364.80x = 20,041.04 × 3,874.96
  4. Step 4: Simplify right side
    13,364.80x = 77,658,228.36
  5. Step 5: Solve for x
    x = 77,658,228.36/13,364.80
  6. Step 6: Final answer
    x = 5,810.65

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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.