Home / 18,524.61-25,556.99-12,154.72

Finding the Fourth Proportional to 18,524.61, 25,556.99 and 12,154.72

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Solution

The fourth proportional to 18,524.61, 25,556.99 and 12,154.72 is: 16,768.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524.61 : 25,556.99 = 12,154.72 : x
  2. Step 2: Convert to fraction form
    18,524.61/25,556.99 = 12,154.72/x
  3. Step 3: Cross multiply
    18,524.61x = 25,556.99 × 12,154.72
  4. Step 4: Simplify right side
    18,524.61x = 310,638,074.25
  5. Step 5: Solve for x
    x = 310,638,074.25/18,524.61
  6. Step 6: Final answer
    x = 16,768.94

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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.