Home / 13,161.71-19,743.60-4,396.66

Finding the Fourth Proportional to 13,161.71, 19,743.60 and 4,396.66

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Solution

The fourth proportional to 13,161.71, 19,743.60 and 4,396.66 is: 6,595.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161.71 : 19,743.60 = 4,396.66 : x
  2. Step 2: Convert to fraction form
    13,161.71/19,743.60 = 4,396.66/x
  3. Step 3: Cross multiply
    13,161.71x = 19,743.60 × 4,396.66
  4. Step 4: Simplify right side
    13,161.71x = 86,805,863.50
  5. Step 5: Solve for x
    x = 86,805,863.50/13,161.71
  6. Step 6: Final answer
    x = 6,595.33

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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.