Home / 13,465.31-20,197.65-3,604.58

Finding the Fourth Proportional to 13,465.31, 20,197.65 and 3,604.58

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Solution

The fourth proportional to 13,465.31, 20,197.65 and 3,604.58 is: 5,406.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.31 : 20,197.65 = 3,604.58 : x
  2. Step 2: Convert to fraction form
    13,465.31/20,197.65 = 3,604.58/x
  3. Step 3: Cross multiply
    13,465.31x = 20,197.65 × 3,604.58
  4. Step 4: Simplify right side
    13,465.31x = 72,803,944.25
  5. Step 5: Solve for x
    x = 72,803,944.25/13,465.31
  6. Step 6: Final answer
    x = 5,406.78

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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.