Home / 12,080.39-16,670.90-6,775.32

Finding the Fourth Proportional to 12,080.39, 16,670.90 and 6,775.32

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Solution

The fourth proportional to 12,080.39, 16,670.90 and 6,775.32 is: 9,349.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080.39 : 16,670.90 = 6,775.32 : x
  2. Step 2: Convert to fraction form
    12,080.39/16,670.90 = 6,775.32/x
  3. Step 3: Cross multiply
    12,080.39x = 16,670.90 × 6,775.32
  4. Step 4: Simplify right side
    12,080.39x = 112,950,682.19
  5. Step 5: Solve for x
    x = 112,950,682.19/12,080.39
  6. Step 6: Final answer
    x = 9,349.92

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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.