Home / 11,843.06-16,342.53-6,807.02

Finding the Fourth Proportional to 11,843.06, 16,342.53 and 6,807.02

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Solution

The fourth proportional to 11,843.06, 16,342.53 and 6,807.02 is: 9,393.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,843.06 : 16,342.53 = 6,807.02 : x
  2. Step 2: Convert to fraction form
    11,843.06/16,342.53 = 6,807.02/x
  3. Step 3: Cross multiply
    11,843.06x = 16,342.53 × 6,807.02
  4. Step 4: Simplify right side
    11,843.06x = 111,243,928.56
  5. Step 5: Solve for x
    x = 111,243,928.56/11,843.06
  6. Step 6: Final answer
    x = 9,393.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.