Home / 13,339.71-19,995.15-6,766.41

Finding the Fourth Proportional to 13,339.71, 19,995.15 and 6,766.41

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Solution

The fourth proportional to 13,339.71, 19,995.15 and 6,766.41 is: 10,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,339.71 : 19,995.15 = 6,766.41 : x
  2. Step 2: Convert to fraction form
    13,339.71/19,995.15 = 6,766.41/x
  3. Step 3: Cross multiply
    13,339.71x = 19,995.15 × 6,766.41
  4. Step 4: Simplify right side
    13,339.71x = 135,295,382.91
  5. Step 5: Solve for x
    x = 135,295,382.91/13,339.71
  6. Step 6: Final answer
    x = 10,142.30

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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.