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Finding the Fourth Proportional to 11,237.60, 16,856.40 and 3,841.40

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Solution

The fourth proportional to 11,237.60, 16,856.40 and 3,841.40 is: 5,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.60 : 16,856.40 = 3,841.40 : x
  2. Step 2: Convert to fraction form
    11,237.60/16,856.40 = 3,841.40/x
  3. Step 3: Cross multiply
    11,237.60x = 16,856.40 × 3,841.40
  4. Step 4: Simplify right side
    11,237.60x = 64,752,174.96
  5. Step 5: Solve for x
    x = 64,752,174.96/11,237.60
  6. Step 6: Final answer
    x = 5,762.10

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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.