Home / 20,347.06-30,528.62-6,308.19

Finding the Fourth Proportional to 20,347.06, 30,528.62 and 6,308.19

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Solution

The fourth proportional to 20,347.06, 30,528.62 and 6,308.19 is: 9,464.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,347.06 : 30,528.62 = 6,308.19 : x
  2. Step 2: Convert to fraction form
    20,347.06/30,528.62 = 6,308.19/x
  3. Step 3: Cross multiply
    20,347.06x = 30,528.62 × 6,308.19
  4. Step 4: Simplify right side
    20,347.06x = 192,580,388.19
  5. Step 5: Solve for x
    x = 192,580,388.19/20,347.06
  6. Step 6: Final answer
    x = 9,464.78

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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.