Home / 22,313.54-33,439.35-12,438.02

Finding the Fourth Proportional to 22,313.54, 33,439.35 and 12,438.02

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Solution

The fourth proportional to 22,313.54, 33,439.35 and 12,438.02 is: 18,639.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,313.54 : 33,439.35 = 12,438.02 : x
  2. Step 2: Convert to fraction form
    22,313.54/33,439.35 = 12,438.02/x
  3. Step 3: Cross multiply
    22,313.54x = 33,439.35 × 12,438.02
  4. Step 4: Simplify right side
    22,313.54x = 415,919,304.09
  5. Step 5: Solve for x
    x = 415,919,304.09/22,313.54
  6. Step 6: Final answer
    x = 18,639.77

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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.