Home / 20,504.70-30,758.57-7,357.19

Finding the Fourth Proportional to 20,504.70, 30,758.57 and 7,357.19

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Solution

The fourth proportional to 20,504.70, 30,758.57 and 7,357.19 is: 11,036.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,504.70 : 30,758.57 = 7,357.19 : x
  2. Step 2: Convert to fraction form
    20,504.70/30,758.57 = 7,357.19/x
  3. Step 3: Cross multiply
    20,504.70x = 30,758.57 × 7,357.19
  4. Step 4: Simplify right side
    20,504.70x = 226,296,453.04
  5. Step 5: Solve for x
    x = 226,296,453.04/20,504.70
  6. Step 6: Final answer
    x = 11,036.32

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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.