Home / 13,729.08-20,587.50-4,367.34

Finding the Fourth Proportional to 13,729.08, 20,587.50 and 4,367.34

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Solution

The fourth proportional to 13,729.08, 20,587.50 and 4,367.34 is: 6,549.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,729.08 : 20,587.50 = 4,367.34 : x
  2. Step 2: Convert to fraction form
    13,729.08/20,587.50 = 4,367.34/x
  3. Step 3: Cross multiply
    13,729.08x = 20,587.50 × 4,367.34
  4. Step 4: Simplify right side
    13,729.08x = 89,912,612.25
  5. Step 5: Solve for x
    x = 89,912,612.25/13,729.08
  6. Step 6: Final answer
    x = 6,549.06

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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.