Home / 12,224.58-18,403.22-10,954.50

Finding the Fourth Proportional to 12,224.58, 18,403.22 and 10,954.50

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Solution

The fourth proportional to 12,224.58, 18,403.22 and 10,954.50 is: 16,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.58 : 18,403.22 = 10,954.50 : x
  2. Step 2: Convert to fraction form
    12,224.58/18,403.22 = 10,954.50/x
  3. Step 3: Cross multiply
    12,224.58x = 18,403.22 × 10,954.50
  4. Step 4: Simplify right side
    12,224.58x = 201,598,018.72
  5. Step 5: Solve for x
    x = 201,598,018.72/12,224.58
  6. Step 6: Final answer
    x = 16,491.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.