Home / 12,262.92-18,363.04-8,090.32

Finding the Fourth Proportional to 12,262.92, 18,363.04 and 8,090.32

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Solution

The fourth proportional to 12,262.92, 18,363.04 and 8,090.32 is: 12,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.92 : 18,363.04 = 8,090.32 : x
  2. Step 2: Convert to fraction form
    12,262.92/18,363.04 = 8,090.32/x
  3. Step 3: Cross multiply
    12,262.92x = 18,363.04 × 8,090.32
  4. Step 4: Simplify right side
    12,262.92x = 148,562,869.77
  5. Step 5: Solve for x
    x = 148,562,869.77/12,262.92
  6. Step 6: Final answer
    x = 12,114.80

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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.