Home / 12,150.09-16,766.06-6,772.32

Finding the Fourth Proportional to 12,150.09, 16,766.06 and 6,772.32

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Solution

The fourth proportional to 12,150.09, 16,766.06 and 6,772.32 is: 9,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.09 : 16,766.06 = 6,772.32 : x
  2. Step 2: Convert to fraction form
    12,150.09/16,766.06 = 6,772.32/x
  3. Step 3: Cross multiply
    12,150.09x = 16,766.06 × 6,772.32
  4. Step 4: Simplify right side
    12,150.09x = 113,545,089.60
  5. Step 5: Solve for x
    x = 113,545,089.60/12,150.09
  6. Step 6: Final answer
    x = 9,345.21

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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.