Home / 20,208.40-30,317.44-6,357.40

Finding the Fourth Proportional to 20,208.40, 30,317.44 and 6,357.40

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Solution

The fourth proportional to 20,208.40, 30,317.44 and 6,357.40 is: 9,537.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,208.40 : 30,317.44 = 6,357.40 : x
  2. Step 2: Convert to fraction form
    20,208.40/30,317.44 = 6,357.40/x
  3. Step 3: Cross multiply
    20,208.40x = 30,317.44 × 6,357.40
  4. Step 4: Simplify right side
    20,208.40x = 192,740,093.06
  5. Step 5: Solve for x
    x = 192,740,093.06/20,208.40
  6. Step 6: Final answer
    x = 9,537.62

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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.