Home / 19,660.50-27,093.60-12,574.62

Finding the Fourth Proportional to 19,660.50, 27,093.60 and 12,574.62

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Solution

The fourth proportional to 19,660.50, 27,093.60 and 12,574.62 is: 17,328.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.50 : 27,093.60 = 12,574.62 : x
  2. Step 2: Convert to fraction form
    19,660.50/27,093.60 = 12,574.62/x
  3. Step 3: Cross multiply
    19,660.50x = 27,093.60 × 12,574.62
  4. Step 4: Simplify right side
    19,660.50x = 340,691,724.43
  5. Step 5: Solve for x
    x = 340,691,724.43/19,660.50
  6. Step 6: Final answer
    x = 17,328.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.