Home / 9,349.36-12,914.69-8,685.07

Finding the Fourth Proportional to 9,349.36, 12,914.69 and 8,685.07

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Solution

The fourth proportional to 9,349.36, 12,914.69 and 8,685.07 is: 11,997.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,349.36 : 12,914.69 = 8,685.07 : x
  2. Step 2: Convert to fraction form
    9,349.36/12,914.69 = 8,685.07/x
  3. Step 3: Cross multiply
    9,349.36x = 12,914.69 × 8,685.07
  4. Step 4: Simplify right side
    9,349.36x = 112,164,910.97
  5. Step 5: Solve for x
    x = 112,164,910.97/9,349.36
  6. Step 6: Final answer
    x = 11,997.07

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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.