Home / 20,293.47-30,441.12-7,809.03

Finding the Fourth Proportional to 20,293.47, 30,441.12 and 7,809.03

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Solution

The fourth proportional to 20,293.47, 30,441.12 and 7,809.03 is: 11,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.47 : 30,441.12 = 7,809.03 : x
  2. Step 2: Convert to fraction form
    20,293.47/30,441.12 = 7,809.03/x
  3. Step 3: Cross multiply
    20,293.47x = 30,441.12 × 7,809.03
  4. Step 4: Simplify right side
    20,293.47x = 237,715,619.31
  5. Step 5: Solve for x
    x = 237,715,619.31/20,293.47
  6. Step 6: Final answer
    x = 11,713.90

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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.