Home / 12,982.61-19,474.86-4,662.70

Finding the Fourth Proportional to 12,982.61, 19,474.86 and 4,662.70

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Solution

The fourth proportional to 12,982.61, 19,474.86 and 4,662.70 is: 6,994.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,982.61 : 19,474.86 = 4,662.70 : x
  2. Step 2: Convert to fraction form
    12,982.61/19,474.86 = 4,662.70/x
  3. Step 3: Cross multiply
    12,982.61x = 19,474.86 × 4,662.70
  4. Step 4: Simplify right side
    12,982.61x = 90,805,309.03
  5. Step 5: Solve for x
    x = 90,805,309.03/12,982.61
  6. Step 6: Final answer
    x = 6,994.38

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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.