Home / 18,579.60-25,625.46-12,914.22

Finding the Fourth Proportional to 18,579.60, 25,625.46 and 12,914.22

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Solution

The fourth proportional to 18,579.60, 25,625.46 and 12,914.22 is: 17,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.60 : 25,625.46 = 12,914.22 : x
  2. Step 2: Convert to fraction form
    18,579.60/25,625.46 = 12,914.22/x
  3. Step 3: Cross multiply
    18,579.60x = 25,625.46 × 12,914.22
  4. Step 4: Simplify right side
    18,579.60x = 330,932,828.04
  5. Step 5: Solve for x
    x = 330,932,828.04/18,579.60
  6. Step 6: Final answer
    x = 17,811.62

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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.