Home / 20,302.36-30,458.78-6,262.07

Finding the Fourth Proportional to 20,302.36, 30,458.78 and 6,262.07

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Solution

The fourth proportional to 20,302.36, 30,458.78 and 6,262.07 is: 9,394.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,302.36 : 30,458.78 = 6,262.07 : x
  2. Step 2: Convert to fraction form
    20,302.36/30,458.78 = 6,262.07/x
  3. Step 3: Cross multiply
    20,302.36x = 30,458.78 × 6,262.07
  4. Step 4: Simplify right side
    20,302.36x = 190,734,828.87
  5. Step 5: Solve for x
    x = 190,734,828.87/20,302.36
  6. Step 6: Final answer
    x = 9,394.71

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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.