Home / 20,097.42-30,145.67-5,307.37

Finding the Fourth Proportional to 20,097.42, 30,145.67 and 5,307.37

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Solution

The fourth proportional to 20,097.42, 30,145.67 and 5,307.37 is: 7,960.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097.42 : 30,145.67 = 5,307.37 : x
  2. Step 2: Convert to fraction form
    20,097.42/30,145.67 = 5,307.37/x
  3. Step 3: Cross multiply
    20,097.42x = 30,145.67 × 5,307.37
  4. Step 4: Simplify right side
    20,097.42x = 159,994,198.05
  5. Step 5: Solve for x
    x = 159,994,198.05/20,097.42
  6. Step 6: Final answer
    x = 7,960.93

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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.