Home / 13,453.35-20,178.45-3,593.40

Finding the Fourth Proportional to 13,453.35, 20,178.45 and 3,593.40

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Solution

The fourth proportional to 13,453.35, 20,178.45 and 3,593.40 is: 5,389.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.35 : 20,178.45 = 3,593.40 : x
  2. Step 2: Convert to fraction form
    13,453.35/20,178.45 = 3,593.40/x
  3. Step 3: Cross multiply
    13,453.35x = 20,178.45 × 3,593.40
  4. Step 4: Simplify right side
    13,453.35x = 72,509,266.85
  5. Step 5: Solve for x
    x = 72,509,266.85/13,453.35
  6. Step 6: Final answer
    x = 5,389.68

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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.