Home / 13,621.68-20,433.69-4,854.42

Finding the Fourth Proportional to 13,621.68, 20,433.69 and 4,854.42

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Solution

The fourth proportional to 13,621.68, 20,433.69 and 4,854.42 is: 7,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621.68 : 20,433.69 = 4,854.42 : x
  2. Step 2: Convert to fraction form
    13,621.68/20,433.69 = 4,854.42/x
  3. Step 3: Cross multiply
    13,621.68x = 20,433.69 × 4,854.42
  4. Step 4: Simplify right side
    13,621.68x = 99,193,713.41
  5. Step 5: Solve for x
    x = 99,193,713.41/13,621.68
  6. Step 6: Final answer
    x = 7,282.05

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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.