Home / 20,097.19-30,141.84-14,782.78

Finding the Fourth Proportional to 20,097.19, 30,141.84 and 14,782.78

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Solution

The fourth proportional to 20,097.19, 30,141.84 and 14,782.78 is: 22,171.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097.19 : 30,141.84 = 14,782.78 : x
  2. Step 2: Convert to fraction form
    20,097.19/30,141.84 = 14,782.78/x
  3. Step 3: Cross multiply
    20,097.19x = 30,141.84 × 14,782.78
  4. Step 4: Simplify right side
    20,097.19x = 445,580,189.52
  5. Step 5: Solve for x
    x = 445,580,189.52/20,097.19
  6. Step 6: Final answer
    x = 22,171.27

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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.