Home / 13,646.27-20,431.44-6,968.34

Finding the Fourth Proportional to 13,646.27, 20,431.44 and 6,968.34

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Solution

The fourth proportional to 13,646.27, 20,431.44 and 6,968.34 is: 10,433.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646.27 : 20,431.44 = 6,968.34 : x
  2. Step 2: Convert to fraction form
    13,646.27/20,431.44 = 6,968.34/x
  3. Step 3: Cross multiply
    13,646.27x = 20,431.44 × 6,968.34
  4. Step 4: Simplify right side
    13,646.27x = 142,373,220.61
  5. Step 5: Solve for x
    x = 142,373,220.61/13,646.27
  6. Step 6: Final answer
    x = 10,433.12

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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.