Home / 20,069.42-30,110.07-6,923.12

Finding the Fourth Proportional to 20,069.42, 30,110.07 and 6,923.12

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Solution

The fourth proportional to 20,069.42, 30,110.07 and 6,923.12 is: 10,386.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,069.42 : 30,110.07 = 6,923.12 : x
  2. Step 2: Convert to fraction form
    20,069.42/30,110.07 = 6,923.12/x
  3. Step 3: Cross multiply
    20,069.42x = 30,110.07 × 6,923.12
  4. Step 4: Simplify right side
    20,069.42x = 208,455,627.82
  5. Step 5: Solve for x
    x = 208,455,627.82/20,069.42
  6. Step 6: Final answer
    x = 10,386.73

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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.