Home / 9,199.05-12,696.12-5,219.34

Finding the Fourth Proportional to 9,199.05, 12,696.12 and 5,219.34

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Solution

The fourth proportional to 9,199.05, 12,696.12 and 5,219.34 is: 7,203.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199.05 : 12,696.12 = 5,219.34 : x
  2. Step 2: Convert to fraction form
    9,199.05/12,696.12 = 5,219.34/x
  3. Step 3: Cross multiply
    9,199.05x = 12,696.12 × 5,219.34
  4. Step 4: Simplify right side
    9,199.05x = 66,265,366.96
  5. Step 5: Solve for x
    x = 66,265,366.96/9,199.05
  6. Step 6: Final answer
    x = 7,203.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.