Home / 19,280.25-26,611.05-11,724.98

Finding the Fourth Proportional to 19,280.25, 26,611.05 and 11,724.98

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Solution

The fourth proportional to 19,280.25, 26,611.05 and 11,724.98 is: 16,183.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.25 : 26,611.05 = 11,724.98 : x
  2. Step 2: Convert to fraction form
    19,280.25/26,611.05 = 11,724.98/x
  3. Step 3: Cross multiply
    19,280.25x = 26,611.05 × 11,724.98
  4. Step 4: Simplify right side
    19,280.25x = 312,013,895.97
  5. Step 5: Solve for x
    x = 312,013,895.97/19,280.25
  6. Step 6: Final answer
    x = 16,183.08

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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.