Home / 9,412.20-14,121.12-2,838.60

Finding the Fourth Proportional to 9,412.20, 14,121.12 and 2,838.60

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Solution

The fourth proportional to 9,412.20, 14,121.12 and 2,838.60 is: 4,258.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,412.20 : 14,121.12 = 2,838.60 : x
  2. Step 2: Convert to fraction form
    9,412.20/14,121.12 = 2,838.60/x
  3. Step 3: Cross multiply
    9,412.20x = 14,121.12 × 2,838.60
  4. Step 4: Simplify right side
    9,412.20x = 40,084,211.23
  5. Step 5: Solve for x
    x = 40,084,211.23/9,412.20
  6. Step 6: Final answer
    x = 4,258.75

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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.