Home / 11,309.04-16,939.62-7,146.92

Finding the Fourth Proportional to 11,309.04, 16,939.62 and 7,146.92

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Solution

The fourth proportional to 11,309.04, 16,939.62 and 7,146.92 is: 10,705.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.04 : 16,939.62 = 7,146.92 : x
  2. Step 2: Convert to fraction form
    11,309.04/16,939.62 = 7,146.92/x
  3. Step 3: Cross multiply
    11,309.04x = 16,939.62 × 7,146.92
  4. Step 4: Simplify right side
    11,309.04x = 121,066,108.97
  5. Step 5: Solve for x
    x = 121,066,108.97/11,309.04
  6. Step 6: Final answer
    x = 10,705.25

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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.