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Finding the Fourth Proportional to 11,995.61, 18,009.01 and 9,224.23

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Solution

The fourth proportional to 11,995.61, 18,009.01 and 9,224.23 is: 13,848.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.61 : 18,009.01 = 9,224.23 : x
  2. Step 2: Convert to fraction form
    11,995.61/18,009.01 = 9,224.23/x
  3. Step 3: Cross multiply
    11,995.61x = 18,009.01 × 9,224.23
  4. Step 4: Simplify right side
    11,995.61x = 166,119,114.15
  5. Step 5: Solve for x
    x = 166,119,114.15/11,995.61
  6. Step 6: Final answer
    x = 13,848.33

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Double scale
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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.