Home / 12,224.56-18,243.17-10,912.36

Finding the Fourth Proportional to 12,224.56, 18,243.17 and 10,912.36

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Solution

The fourth proportional to 12,224.56, 18,243.17 and 10,912.36 is: 16,284.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.56 : 18,243.17 = 10,912.36 : x
  2. Step 2: Convert to fraction form
    12,224.56/18,243.17 = 10,912.36/x
  3. Step 3: Cross multiply
    12,224.56x = 18,243.17 × 10,912.36
  4. Step 4: Simplify right side
    12,224.56x = 199,076,038.58
  5. Step 5: Solve for x
    x = 199,076,038.58/12,224.56
  6. Step 6: Final answer
    x = 16,284.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.