Home / 12,774.20-19,156.52-4,452.08

Finding the Fourth Proportional to 12,774.20, 19,156.52 and 4,452.08

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Solution

The fourth proportional to 12,774.20, 19,156.52 and 4,452.08 is: 6,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774.20 : 19,156.52 = 4,452.08 : x
  2. Step 2: Convert to fraction form
    12,774.20/19,156.52 = 4,452.08/x
  3. Step 3: Cross multiply
    12,774.20x = 19,156.52 × 4,452.08
  4. Step 4: Simplify right side
    12,774.20x = 85,286,359.56
  5. Step 5: Solve for x
    x = 85,286,359.56/12,774.20
  6. Step 6: Final answer
    x = 6,676.45

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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.