Home / 12,917.77-19,360.40-6,994.42

Finding the Fourth Proportional to 12,917.77, 19,360.40 and 6,994.42

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Solution

The fourth proportional to 12,917.77, 19,360.40 and 6,994.42 is: 10,482.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,917.77 : 19,360.40 = 6,994.42 : x
  2. Step 2: Convert to fraction form
    12,917.77/19,360.40 = 6,994.42/x
  3. Step 3: Cross multiply
    12,917.77x = 19,360.40 × 6,994.42
  4. Step 4: Simplify right side
    12,917.77x = 135,414,734.00
  5. Step 5: Solve for x
    x = 135,414,734.00/12,917.77
  6. Step 6: Final answer
    x = 10,482.83

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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.