Home / 13,968.34-20,924.45-6,461.38

Finding the Fourth Proportional to 13,968.34, 20,924.45 and 6,461.38

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Solution

The fourth proportional to 13,968.34, 20,924.45 and 6,461.38 is: 9,679.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.34 : 20,924.45 = 6,461.38 : x
  2. Step 2: Convert to fraction form
    13,968.34/20,924.45 = 6,461.38/x
  3. Step 3: Cross multiply
    13,968.34x = 20,924.45 × 6,461.38
  4. Step 4: Simplify right side
    13,968.34x = 135,200,790.43
  5. Step 5: Solve for x
    x = 135,200,790.43/13,968.34
  6. Step 6: Final answer
    x = 9,679.09

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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.