Home / 13,383.59-20,075.61-3,522.49

Finding the Fourth Proportional to 13,383.59, 20,075.61 and 3,522.49

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Solution

The fourth proportional to 13,383.59, 20,075.61 and 3,522.49 is: 5,283.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.59 : 20,075.61 = 3,522.49 : x
  2. Step 2: Convert to fraction form
    13,383.59/20,075.61 = 3,522.49/x
  3. Step 3: Cross multiply
    13,383.59x = 20,075.61 × 3,522.49
  4. Step 4: Simplify right side
    13,383.59x = 70,716,191.60
  5. Step 5: Solve for x
    x = 70,716,191.60/13,383.59
  6. Step 6: Final answer
    x = 5,283.80

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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.