Home / 16,774.02-25,125.20-12,780.90

Finding the Fourth Proportional to 16,774.02, 25,125.20 and 12,780.90

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Solution

The fourth proportional to 16,774.02, 25,125.20 and 12,780.90 is: 19,144.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,774.02 : 25,125.20 = 12,780.90 : x
  2. Step 2: Convert to fraction form
    16,774.02/25,125.20 = 12,780.90/x
  3. Step 3: Cross multiply
    16,774.02x = 25,125.20 × 12,780.90
  4. Step 4: Simplify right side
    16,774.02x = 321,122,668.68
  5. Step 5: Solve for x
    x = 321,122,668.68/16,774.02
  6. Step 6: Final answer
    x = 19,144.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.