Home / 20,369.73-30,535.47-10,506.36

Finding the Fourth Proportional to 20,369.73, 30,535.47 and 10,506.36

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Solution

The fourth proportional to 20,369.73, 30,535.47 and 10,506.36 is: 15,749.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,369.73 : 30,535.47 = 10,506.36 : x
  2. Step 2: Convert to fraction form
    20,369.73/30,535.47 = 10,506.36/x
  3. Step 3: Cross multiply
    20,369.73x = 30,535.47 × 10,506.36
  4. Step 4: Simplify right side
    20,369.73x = 320,816,640.59
  5. Step 5: Solve for x
    x = 320,816,640.59/20,369.73
  6. Step 6: Final answer
    x = 15,749.68

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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.