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Finding the Fourth Proportional to 13,101.59, 19,652.43 and 6,863.45

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Solution

The fourth proportional to 13,101.59, 19,652.43 and 6,863.45 is: 10,295.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.59 : 19,652.43 = 6,863.45 : x
  2. Step 2: Convert to fraction form
    13,101.59/19,652.43 = 6,863.45/x
  3. Step 3: Cross multiply
    13,101.59x = 19,652.43 × 6,863.45
  4. Step 4: Simplify right side
    13,101.59x = 134,883,372.42
  5. Step 5: Solve for x
    x = 134,883,372.42/13,101.59
  6. Step 6: Final answer
    x = 10,295.20

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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.