Home / 18,539.60-25,588.68-12,252.56

Finding the Fourth Proportional to 18,539.60, 25,588.68 and 12,252.56

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Solution

The fourth proportional to 18,539.60, 25,588.68 and 12,252.56 is: 16,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539.60 : 25,588.68 = 12,252.56 : x
  2. Step 2: Convert to fraction form
    18,539.60/25,588.68 = 12,252.56/x
  3. Step 3: Cross multiply
    18,539.60x = 25,588.68 × 12,252.56
  4. Step 4: Simplify right side
    18,539.60x = 313,526,837.02
  5. Step 5: Solve for x
    x = 313,526,837.02/18,539.60
  6. Step 6: Final answer
    x = 16,911.20

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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.