Home / 12,009.11-17,976.75-10,237.64

Finding the Fourth Proportional to 12,009.11, 17,976.75 and 10,237.64

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Solution

The fourth proportional to 12,009.11, 17,976.75 and 10,237.64 is: 15,324.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.11 : 17,976.75 = 10,237.64 : x
  2. Step 2: Convert to fraction form
    12,009.11/17,976.75 = 10,237.64/x
  3. Step 3: Cross multiply
    12,009.11x = 17,976.75 × 10,237.64
  4. Step 4: Simplify right side
    12,009.11x = 184,039,494.87
  5. Step 5: Solve for x
    x = 184,039,494.87/12,009.11
  6. Step 6: Final answer
    x = 15,324.99

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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.