Home / 12,339.37-17,028.47-6,750.25

Finding the Fourth Proportional to 12,339.37, 17,028.47 and 6,750.25

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Solution

The fourth proportional to 12,339.37, 17,028.47 and 6,750.25 is: 9,315.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339.37 : 17,028.47 = 6,750.25 : x
  2. Step 2: Convert to fraction form
    12,339.37/17,028.47 = 6,750.25/x
  3. Step 3: Cross multiply
    12,339.37x = 17,028.47 × 6,750.25
  4. Step 4: Simplify right side
    12,339.37x = 114,946,395.87
  5. Step 5: Solve for x
    x = 114,946,395.87/12,339.37
  6. Step 6: Final answer
    x = 9,315.42

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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.