Home / 13,636.14-20,439.48-6,601.29

Finding the Fourth Proportional to 13,636.14, 20,439.48 and 6,601.29

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Solution

The fourth proportional to 13,636.14, 20,439.48 and 6,601.29 is: 9,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636.14 : 20,439.48 = 6,601.29 : x
  2. Step 2: Convert to fraction form
    13,636.14/20,439.48 = 6,601.29/x
  3. Step 3: Cross multiply
    13,636.14x = 20,439.48 × 6,601.29
  4. Step 4: Simplify right side
    13,636.14x = 134,926,934.93
  5. Step 5: Solve for x
    x = 134,926,934.93/13,636.14
  6. Step 6: Final answer
    x = 9,894.80

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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.