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Finding the Fourth Proportional to 16,471.08, 22,708.08 and 13,627.98

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Solution

The fourth proportional to 16,471.08, 22,708.08 and 13,627.98 is: 18,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,471.08 : 22,708.08 = 13,627.98 : x
  2. Step 2: Convert to fraction form
    16,471.08/22,708.08 = 13,627.98/x
  3. Step 3: Cross multiply
    16,471.08x = 22,708.08 × 13,627.98
  4. Step 4: Simplify right side
    16,471.08x = 309,465,260.08
  5. Step 5: Solve for x
    x = 309,465,260.08/16,471.08
  6. Step 6: Final answer
    x = 18,788.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.