Home / 8,193.90-12,305.70-7,173.30

Finding the Fourth Proportional to 8,193.90, 12,305.70 and 7,173.30

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Solution

The fourth proportional to 8,193.90, 12,305.70 and 7,173.30 is: 10,772.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193.90 : 12,305.70 = 7,173.30 : x
  2. Step 2: Convert to fraction form
    8,193.90/12,305.70 = 7,173.30/x
  3. Step 3: Cross multiply
    8,193.90x = 12,305.70 × 7,173.30
  4. Step 4: Simplify right side
    8,193.90x = 88,272,477.81
  5. Step 5: Solve for x
    x = 88,272,477.81/8,193.90
  6. Step 6: Final answer
    x = 10,772.95

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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.