Home / 12,219.39-18,334.55-7,025.27

Finding the Fourth Proportional to 12,219.39, 18,334.55 and 7,025.27

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Solution

The fourth proportional to 12,219.39, 18,334.55 and 7,025.27 is: 10,541.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219.39 : 18,334.55 = 7,025.27 : x
  2. Step 2: Convert to fraction form
    12,219.39/18,334.55 = 7,025.27/x
  3. Step 3: Cross multiply
    12,219.39x = 18,334.55 × 7,025.27
  4. Step 4: Simplify right side
    12,219.39x = 128,805,089.97
  5. Step 5: Solve for x
    x = 128,805,089.97/12,219.39
  6. Step 6: Final answer
    x = 10,541.04

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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.