Home / 12,468.33-17,205.82-7,090.64

Finding the Fourth Proportional to 12,468.33, 17,205.82 and 7,090.64

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Solution

The fourth proportional to 12,468.33, 17,205.82 and 7,090.64 is: 9,784.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.33 : 17,205.82 = 7,090.64 : x
  2. Step 2: Convert to fraction form
    12,468.33/17,205.82 = 7,090.64/x
  3. Step 3: Cross multiply
    12,468.33x = 17,205.82 × 7,090.64
  4. Step 4: Simplify right side
    12,468.33x = 122,000,236.29
  5. Step 5: Solve for x
    x = 122,000,236.29/12,468.33
  6. Step 6: Final answer
    x = 9,784.81

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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.