Home / 11,407.86-17,099.67-6,730.06

Finding the Fourth Proportional to 11,407.86, 17,099.67 and 6,730.06

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Solution

The fourth proportional to 11,407.86, 17,099.67 and 6,730.06 is: 10,087.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,407.86 : 17,099.67 = 6,730.06 : x
  2. Step 2: Convert to fraction form
    11,407.86/17,099.67 = 6,730.06/x
  3. Step 3: Cross multiply
    11,407.86x = 17,099.67 × 6,730.06
  4. Step 4: Simplify right side
    11,407.86x = 115,081,805.08
  5. Step 5: Solve for x
    x = 115,081,805.08/11,407.86
  6. Step 6: Final answer
    x = 10,087.94

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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.