Home / 22,447.80-33,628.60-12,557.10

Finding the Fourth Proportional to 22,447.80, 33,628.60 and 12,557.10

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Solution

The fourth proportional to 22,447.80, 33,628.60 and 12,557.10 is: 18,811.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,447.80 : 33,628.60 = 12,557.10 : x
  2. Step 2: Convert to fraction form
    22,447.80/33,628.60 = 12,557.10/x
  3. Step 3: Cross multiply
    22,447.80x = 33,628.60 × 12,557.10
  4. Step 4: Simplify right side
    22,447.80x = 422,277,693.06
  5. Step 5: Solve for x
    x = 422,277,693.06/22,447.80
  6. Step 6: Final answer
    x = 18,811.54

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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.