Home / 17,985.43-24,811.07-12,018.57

Finding the Fourth Proportional to 17,985.43, 24,811.07 and 12,018.57

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Solution

The fourth proportional to 17,985.43, 24,811.07 and 12,018.57 is: 16,579.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985.43 : 24,811.07 = 12,018.57 : x
  2. Step 2: Convert to fraction form
    17,985.43/24,811.07 = 12,018.57/x
  3. Step 3: Cross multiply
    17,985.43x = 24,811.07 × 12,018.57
  4. Step 4: Simplify right side
    17,985.43x = 298,193,487.56
  5. Step 5: Solve for x
    x = 298,193,487.56/17,985.43
  6. Step 6: Final answer
    x = 16,579.73

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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.