Home / 13,453.80-20,180.70-10,534.60

Finding the Fourth Proportional to 13,453.80, 20,180.70 and 10,534.60

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Solution

The fourth proportional to 13,453.80, 20,180.70 and 10,534.60 is: 15,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.80 : 20,180.70 = 10,534.60 : x
  2. Step 2: Convert to fraction form
    13,453.80/20,180.70 = 10,534.60/x
  3. Step 3: Cross multiply
    13,453.80x = 20,180.70 × 10,534.60
  4. Step 4: Simplify right side
    13,453.80x = 212,595,602.22
  5. Step 5: Solve for x
    x = 212,595,602.22/13,453.80
  6. Step 6: Final answer
    x = 15,801.90

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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.