Home / 13,611.04-20,418.48-4,843.36

Finding the Fourth Proportional to 13,611.04, 20,418.48 and 4,843.36

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Solution

The fourth proportional to 13,611.04, 20,418.48 and 4,843.36 is: 7,265.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611.04 : 20,418.48 = 4,843.36 : x
  2. Step 2: Convert to fraction form
    13,611.04/20,418.48 = 4,843.36/x
  3. Step 3: Cross multiply
    13,611.04x = 20,418.48 × 4,843.36
  4. Step 4: Simplify right side
    13,611.04x = 98,894,049.29
  5. Step 5: Solve for x
    x = 98,894,049.29/13,611.04
  6. Step 6: Final answer
    x = 7,265.72

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1.5x scale

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.