Home / 11,237.90-16,856.85-3,445.70

Finding the Fourth Proportional to 11,237.90, 16,856.85 and 3,445.70

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Solution

The fourth proportional to 11,237.90, 16,856.85 and 3,445.70 is: 5,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.90 : 16,856.85 = 3,445.70 : x
  2. Step 2: Convert to fraction form
    11,237.90/16,856.85 = 3,445.70/x
  3. Step 3: Cross multiply
    11,237.90x = 16,856.85 × 3,445.70
  4. Step 4: Simplify right side
    11,237.90x = 58,083,648.05
  5. Step 5: Solve for x
    x = 58,083,648.05/11,237.90
  6. Step 6: Final answer
    x = 5,168.55

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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.