Home / 16,741.60-25,078.32-13,436.80

Finding the Fourth Proportional to 16,741.60, 25,078.32 and 13,436.80

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Solution

The fourth proportional to 16,741.60, 25,078.32 and 13,436.80 is: 20,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,741.60 : 25,078.32 = 13,436.80 : x
  2. Step 2: Convert to fraction form
    16,741.60/25,078.32 = 13,436.80/x
  3. Step 3: Cross multiply
    16,741.60x = 25,078.32 × 13,436.80
  4. Step 4: Simplify right side
    16,741.60x = 336,972,370.18
  5. Step 5: Solve for x
    x = 336,972,370.18/16,741.60
  6. Step 6: Final answer
    x = 20,127.85

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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.