Home / 13,517.52-20,173.75-13,167.60

Finding the Fourth Proportional to 13,517.52, 20,173.75 and 13,167.60

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Solution

The fourth proportional to 13,517.52, 20,173.75 and 13,167.60 is: 19,651.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.52 : 20,173.75 = 13,167.60 : x
  2. Step 2: Convert to fraction form
    13,517.52/20,173.75 = 13,167.60/x
  3. Step 3: Cross multiply
    13,517.52x = 20,173.75 × 13,167.60
  4. Step 4: Simplify right side
    13,517.52x = 265,639,870.50
  5. Step 5: Solve for x
    x = 265,639,870.50/13,517.52
  6. Step 6: Final answer
    x = 19,651.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.