Home / 12,710.89-19,066.52-3,945.25

Finding the Fourth Proportional to 12,710.89, 19,066.52 and 3,945.25

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Solution

The fourth proportional to 12,710.89, 19,066.52 and 3,945.25 is: 5,917.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710.89 : 19,066.52 = 3,945.25 : x
  2. Step 2: Convert to fraction form
    12,710.89/19,066.52 = 3,945.25/x
  3. Step 3: Cross multiply
    12,710.89x = 19,066.52 × 3,945.25
  4. Step 4: Simplify right side
    12,710.89x = 75,222,188.03
  5. Step 5: Solve for x
    x = 75,222,188.03/12,710.89
  6. Step 6: Final answer
    x = 5,917.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.