Home / 12,509.12-17,262.73-6,843.75

Finding the Fourth Proportional to 12,509.12, 17,262.73 and 6,843.75

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Solution

The fourth proportional to 12,509.12, 17,262.73 and 6,843.75 is: 9,444.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509.12 : 17,262.73 = 6,843.75 : x
  2. Step 2: Convert to fraction form
    12,509.12/17,262.73 = 6,843.75/x
  3. Step 3: Cross multiply
    12,509.12x = 17,262.73 × 6,843.75
  4. Step 4: Simplify right side
    12,509.12x = 118,141,791.33
  5. Step 5: Solve for x
    x = 118,141,791.33/12,509.12
  6. Step 6: Final answer
    x = 9,444.45

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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.