Home / 12,079.32-18,092.20-9,285.44

Finding the Fourth Proportional to 12,079.32, 18,092.20 and 9,285.44

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Solution

The fourth proportional to 12,079.32, 18,092.20 and 9,285.44 is: 13,907.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.32 : 18,092.20 = 9,285.44 : x
  2. Step 2: Convert to fraction form
    12,079.32/18,092.20 = 9,285.44/x
  3. Step 3: Cross multiply
    12,079.32x = 18,092.20 × 9,285.44
  4. Step 4: Simplify right side
    12,079.32x = 167,994,037.57
  5. Step 5: Solve for x
    x = 167,994,037.57/12,079.32
  6. Step 6: Final answer
    x = 13,907.57

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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.