Home / 13,813.04-20,722.46-4,453.76

Finding the Fourth Proportional to 13,813.04, 20,722.46 and 4,453.76

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Solution

The fourth proportional to 13,813.04, 20,722.46 and 4,453.76 is: 6,681.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,813.04 : 20,722.46 = 4,453.76 : x
  2. Step 2: Convert to fraction form
    13,813.04/20,722.46 = 4,453.76/x
  3. Step 3: Cross multiply
    13,813.04x = 20,722.46 × 4,453.76
  4. Step 4: Simplify right side
    13,813.04x = 92,292,863.45
  5. Step 5: Solve for x
    x = 92,292,863.45/13,813.04
  6. Step 6: Final answer
    x = 6,681.58

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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.