Home / 11,090.48-15,304.75-6,839.84

Finding the Fourth Proportional to 11,090.48, 15,304.75 and 6,839.84

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Solution

The fourth proportional to 11,090.48, 15,304.75 and 6,839.84 is: 9,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.48 : 15,304.75 = 6,839.84 : x
  2. Step 2: Convert to fraction form
    11,090.48/15,304.75 = 6,839.84/x
  3. Step 3: Cross multiply
    11,090.48x = 15,304.75 × 6,839.84
  4. Step 4: Simplify right side
    11,090.48x = 104,682,041.24
  5. Step 5: Solve for x
    x = 104,682,041.24/11,090.48
  6. Step 6: Final answer
    x = 9,438.91

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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.