Home / 12,723.36-17,558.01-7,134.36

Finding the Fourth Proportional to 12,723.36, 17,558.01 and 7,134.36

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Solution

The fourth proportional to 12,723.36, 17,558.01 and 7,134.36 is: 9,845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.36 : 17,558.01 = 7,134.36 : x
  2. Step 2: Convert to fraction form
    12,723.36/17,558.01 = 7,134.36/x
  3. Step 3: Cross multiply
    12,723.36x = 17,558.01 × 7,134.36
  4. Step 4: Simplify right side
    12,723.36x = 125,265,164.22
  5. Step 5: Solve for x
    x = 125,265,164.22/12,723.36
  6. Step 6: Final answer
    x = 9,845.29

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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.