Home / 13,729.94-20,587.71-4,367.06

Finding the Fourth Proportional to 13,729.94, 20,587.71 and 4,367.06

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Solution

The fourth proportional to 13,729.94, 20,587.71 and 4,367.06 is: 6,548.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,729.94 : 20,587.71 = 4,367.06 : x
  2. Step 2: Convert to fraction form
    13,729.94/20,587.71 = 4,367.06/x
  3. Step 3: Cross multiply
    13,729.94x = 20,587.71 × 4,367.06
  4. Step 4: Simplify right side
    13,729.94x = 89,907,764.83
  5. Step 5: Solve for x
    x = 89,907,764.83/13,729.94
  6. Step 6: Final answer
    x = 6,548.30

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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.