Home / 13,146.60-19,728.22-6,994.92

Finding the Fourth Proportional to 13,146.60, 19,728.22 and 6,994.92

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Solution

The fourth proportional to 13,146.60, 19,728.22 and 6,994.92 is: 10,496.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146.60 : 19,728.22 = 6,994.92 : x
  2. Step 2: Convert to fraction form
    13,146.60/19,728.22 = 6,994.92/x
  3. Step 3: Cross multiply
    13,146.60x = 19,728.22 × 6,994.92
  4. Step 4: Simplify right side
    13,146.60x = 137,997,320.64
  5. Step 5: Solve for x
    x = 137,997,320.64/13,146.60
  6. Step 6: Final answer
    x = 10,496.81

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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.