Home / 11,028.68-15,222.08-6,783.44

Finding the Fourth Proportional to 11,028.68, 15,222.08 and 6,783.44

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Solution

The fourth proportional to 11,028.68, 15,222.08 and 6,783.44 is: 9,362.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.68 : 15,222.08 = 6,783.44 : x
  2. Step 2: Convert to fraction form
    11,028.68/15,222.08 = 6,783.44/x
  3. Step 3: Cross multiply
    11,028.68x = 15,222.08 × 6,783.44
  4. Step 4: Simplify right side
    11,028.68x = 103,258,066.36
  5. Step 5: Solve for x
    x = 103,258,066.36/11,028.68
  6. Step 6: Final answer
    x = 9,362.69

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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.