Home / 12,774.70-19,157.27-4,452.58

Finding the Fourth Proportional to 12,774.70, 19,157.27 and 4,452.58

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Solution

The fourth proportional to 12,774.70, 19,157.27 and 4,452.58 is: 6,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774.70 : 19,157.27 = 4,452.58 : x
  2. Step 2: Convert to fraction form
    12,774.70/19,157.27 = 4,452.58/x
  3. Step 3: Cross multiply
    12,774.70x = 19,157.27 × 4,452.58
  4. Step 4: Simplify right side
    12,774.70x = 85,299,277.26
  5. Step 5: Solve for x
    x = 85,299,277.26/12,774.70
  6. Step 6: Final answer
    x = 6,677.20

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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.