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Finding the Fourth Proportional to 13,224.69, 18,250.58 and 7,256.61

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Solution

The fourth proportional to 13,224.69, 18,250.58 and 7,256.61 is: 10,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.69 : 18,250.58 = 7,256.61 : x
  2. Step 2: Convert to fraction form
    13,224.69/18,250.58 = 7,256.61/x
  3. Step 3: Cross multiply
    13,224.69x = 18,250.58 × 7,256.61
  4. Step 4: Simplify right side
    13,224.69x = 132,437,359.48
  5. Step 5: Solve for x
    x = 132,437,359.48/13,224.69
  6. Step 6: Final answer
    x = 10,014.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.