Home / 13,517.37-20,275.29-3,655.94

Finding the Fourth Proportional to 13,517.37, 20,275.29 and 3,655.94

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Solution

The fourth proportional to 13,517.37, 20,275.29 and 3,655.94 is: 5,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.37 : 20,275.29 = 3,655.94 : x
  2. Step 2: Convert to fraction form
    13,517.37/20,275.29 = 3,655.94/x
  3. Step 3: Cross multiply
    13,517.37x = 20,275.29 × 3,655.94
  4. Step 4: Simplify right side
    13,517.37x = 74,125,142.35
  5. Step 5: Solve for x
    x = 74,125,142.35/13,517.37
  6. Step 6: Final answer
    x = 5,483.70

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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.