Home / 13,141.13-19,711.70-3,907.13

Finding the Fourth Proportional to 13,141.13, 19,711.70 and 3,907.13

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Solution

The fourth proportional to 13,141.13, 19,711.70 and 3,907.13 is: 5,860.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141.13 : 19,711.70 = 3,907.13 : x
  2. Step 2: Convert to fraction form
    13,141.13/19,711.70 = 3,907.13/x
  3. Step 3: Cross multiply
    13,141.13x = 19,711.70 × 3,907.13
  4. Step 4: Simplify right side
    13,141.13x = 77,016,056.33
  5. Step 5: Solve for x
    x = 77,016,056.33/13,141.13
  6. Step 6: Final answer
    x = 5,860.69

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Similar ratio
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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.