Home / 11,722.32-16,177.19-7,009.34

Finding the Fourth Proportional to 11,722.32, 16,177.19 and 7,009.34

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Solution

The fourth proportional to 11,722.32, 16,177.19 and 7,009.34 is: 9,673.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.32 : 16,177.19 = 7,009.34 : x
  2. Step 2: Convert to fraction form
    11,722.32/16,177.19 = 7,009.34/x
  3. Step 3: Cross multiply
    11,722.32x = 16,177.19 × 7,009.34
  4. Step 4: Simplify right side
    11,722.32x = 113,391,309.02
  5. Step 5: Solve for x
    x = 113,391,309.02/11,722.32
  6. Step 6: Final answer
    x = 9,673.11

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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.