Home / 12,003.53-18,005.98-3,239.13

Finding the Fourth Proportional to 12,003.53, 18,005.98 and 3,239.13

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Solution

The fourth proportional to 12,003.53, 18,005.98 and 3,239.13 is: 4,858.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003.53 : 18,005.98 = 3,239.13 : x
  2. Step 2: Convert to fraction form
    12,003.53/18,005.98 = 3,239.13/x
  3. Step 3: Cross multiply
    12,003.53x = 18,005.98 × 3,239.13
  4. Step 4: Simplify right side
    12,003.53x = 58,323,710.00
  5. Step 5: Solve for x
    x = 58,323,710.00/12,003.53
  6. Step 6: Final answer
    x = 4,858.88

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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.