Home / 12,090.06-16,684.41-6,784.98

Finding the Fourth Proportional to 12,090.06, 16,684.41 and 6,784.98

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Solution

The fourth proportional to 12,090.06, 16,684.41 and 6,784.98 is: 9,363.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,090.06 : 16,684.41 = 6,784.98 : x
  2. Step 2: Convert to fraction form
    12,090.06/16,684.41 = 6,784.98/x
  3. Step 3: Cross multiply
    12,090.06x = 16,684.41 × 6,784.98
  4. Step 4: Simplify right side
    12,090.06x = 113,203,388.16
  5. Step 5: Solve for x
    x = 113,203,388.16/12,090.06
  6. Step 6: Final answer
    x = 9,363.34

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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.