Home / 12,727.90-19,097.58-6,877.66

Finding the Fourth Proportional to 12,727.90, 19,097.58 and 6,877.66

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Solution

The fourth proportional to 12,727.90, 19,097.58 and 6,877.66 is: 10,319.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727.90 : 19,097.58 = 6,877.66 : x
  2. Step 2: Convert to fraction form
    12,727.90/19,097.58 = 6,877.66/x
  3. Step 3: Cross multiply
    12,727.90x = 19,097.58 × 6,877.66
  4. Step 4: Simplify right side
    12,727.90x = 131,346,662.06
  5. Step 5: Solve for x
    x = 131,346,662.06/12,727.90
  6. Step 6: Final answer
    x = 10,319.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.