Home / 13,773.30-20,662.85-7,197.72

Finding the Fourth Proportional to 13,773.30, 20,662.85 and 7,197.72

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Solution

The fourth proportional to 13,773.30, 20,662.85 and 7,197.72 is: 10,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.30 : 20,662.85 = 7,197.72 : x
  2. Step 2: Convert to fraction form
    13,773.30/20,662.85 = 7,197.72/x
  3. Step 3: Cross multiply
    13,773.30x = 20,662.85 × 7,197.72
  4. Step 4: Simplify right side
    13,773.30x = 148,725,408.70
  5. Step 5: Solve for x
    x = 148,725,408.70/13,773.30
  6. Step 6: Final answer
    x = 10,798.10

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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.