Home / 13,205.38-19,808.15-3,344.69

Finding the Fourth Proportional to 13,205.38, 19,808.15 and 3,344.69

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Solution

The fourth proportional to 13,205.38, 19,808.15 and 3,344.69 is: 5,017.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,205.38 : 19,808.15 = 3,344.69 : x
  2. Step 2: Convert to fraction form
    13,205.38/19,808.15 = 3,344.69/x
  3. Step 3: Cross multiply
    13,205.38x = 19,808.15 × 3,344.69
  4. Step 4: Simplify right side
    13,205.38x = 66,252,030.54
  5. Step 5: Solve for x
    x = 66,252,030.54/13,205.38
  6. Step 6: Final answer
    x = 5,017.05

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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.