Home / 12,283.07-16,950.69-6,978.18

Finding the Fourth Proportional to 12,283.07, 16,950.69 and 6,978.18

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Solution

The fourth proportional to 12,283.07, 16,950.69 and 6,978.18 is: 9,629.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283.07 : 16,950.69 = 6,978.18 : x
  2. Step 2: Convert to fraction form
    12,283.07/16,950.69 = 6,978.18/x
  3. Step 3: Cross multiply
    12,283.07x = 16,950.69 × 6,978.18
  4. Step 4: Simplify right side
    12,283.07x = 118,284,960.33
  5. Step 5: Solve for x
    x = 118,284,960.33/12,283.07
  6. Step 6: Final answer
    x = 9,629.92

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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.