Home / 12,284.06-16,952.40-6,978.56

Finding the Fourth Proportional to 12,284.06, 16,952.40 and 6,978.56

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Solution

The fourth proportional to 12,284.06, 16,952.40 and 6,978.56 is: 9,630.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,284.06 : 16,952.40 = 6,978.56 : x
  2. Step 2: Convert to fraction form
    12,284.06/16,952.40 = 6,978.56/x
  3. Step 3: Cross multiply
    12,284.06x = 16,952.40 × 6,978.56
  4. Step 4: Simplify right side
    12,284.06x = 118,303,340.54
  5. Step 5: Solve for x
    x = 118,303,340.54/12,284.06
  6. Step 6: Final answer
    x = 9,630.64

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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.