Home / 17,678.60-26,529.82-7,290.12

Finding the Fourth Proportional to 17,678.60, 26,529.82 and 7,290.12

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Solution

The fourth proportional to 17,678.60, 26,529.82 and 7,290.12 is: 10,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,678.60 : 26,529.82 = 7,290.12 : x
  2. Step 2: Convert to fraction form
    17,678.60/26,529.82 = 7,290.12/x
  3. Step 3: Cross multiply
    17,678.60x = 26,529.82 × 7,290.12
  4. Step 4: Simplify right side
    17,678.60x = 193,405,571.38
  5. Step 5: Solve for x
    x = 193,405,571.38/17,678.60
  6. Step 6: Final answer
    x = 10,940.10

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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.