Home / 26,364.60-39,546.90-6,643.80

Finding the Fourth Proportional to 26,364.60, 39,546.90 and 6,643.80

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Solution

The fourth proportional to 26,364.60, 39,546.90 and 6,643.80 is: 9,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,364.60 : 39,546.90 = 6,643.80 : x
  2. Step 2: Convert to fraction form
    26,364.60/39,546.90 = 6,643.80/x
  3. Step 3: Cross multiply
    26,364.60x = 39,546.90 × 6,643.80
  4. Step 4: Simplify right side
    26,364.60x = 262,741,694.22
  5. Step 5: Solve for x
    x = 262,741,694.22/26,364.60
  6. Step 6: Final answer
    x = 9,965.70

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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.