Home / 12,757.32-19,134.90-4,435.20

Finding the Fourth Proportional to 12,757.32, 19,134.90 and 4,435.20

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Solution

The fourth proportional to 12,757.32, 19,134.90 and 4,435.20 is: 6,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757.32 : 19,134.90 = 4,435.20 : x
  2. Step 2: Convert to fraction form
    12,757.32/19,134.90 = 4,435.20/x
  3. Step 3: Cross multiply
    12,757.32x = 19,134.90 × 4,435.20
  4. Step 4: Simplify right side
    12,757.32x = 84,867,108.48
  5. Step 5: Solve for x
    x = 84,867,108.48/12,757.32
  6. Step 6: Final answer
    x = 6,652.42

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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.