Home / 18,611.94-27,891.60-14,432.52

Finding the Fourth Proportional to 18,611.94, 27,891.60 and 14,432.52

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Solution

The fourth proportional to 18,611.94, 27,891.60 and 14,432.52 is: 21,628.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,611.94 : 27,891.60 = 14,432.52 : x
  2. Step 2: Convert to fraction form
    18,611.94/27,891.60 = 14,432.52/x
  3. Step 3: Cross multiply
    18,611.94x = 27,891.60 × 14,432.52
  4. Step 4: Simplify right side
    18,611.94x = 402,546,074.83
  5. Step 5: Solve for x
    x = 402,546,074.83/18,611.94
  6. Step 6: Final answer
    x = 21,628.38

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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.