Home / 17,625.60-26,416.80-7,754.40

Finding the Fourth Proportional to 17,625.60, 26,416.80 and 7,754.40

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Solution

The fourth proportional to 17,625.60, 26,416.80 and 7,754.40 is: 11,622.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,625.60 : 26,416.80 = 7,754.40 : x
  2. Step 2: Convert to fraction form
    17,625.60/26,416.80 = 7,754.40/x
  3. Step 3: Cross multiply
    17,625.60x = 26,416.80 × 7,754.40
  4. Step 4: Simplify right side
    17,625.60x = 204,846,433.92
  5. Step 5: Solve for x
    x = 204,846,433.92/17,625.60
  6. Step 6: Final answer
    x = 11,622.10

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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.