Home / 20,074.31-30,114.88-6,923.60

Finding the Fourth Proportional to 20,074.31, 30,114.88 and 6,923.60

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Solution

The fourth proportional to 20,074.31, 30,114.88 and 6,923.60 is: 10,386.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.31 : 30,114.88 = 6,923.60 : x
  2. Step 2: Convert to fraction form
    20,074.31/30,114.88 = 6,923.60/x
  3. Step 3: Cross multiply
    20,074.31x = 30,114.88 × 6,923.60
  4. Step 4: Simplify right side
    20,074.31x = 208,503,215.28
  5. Step 5: Solve for x
    x = 208,503,215.28/20,074.31
  6. Step 6: Final answer
    x = 10,386.57

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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.