Home / 12,621.51-18,927.80-3,734.46

Finding the Fourth Proportional to 12,621.51, 18,927.80 and 3,734.46

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Solution

The fourth proportional to 12,621.51, 18,927.80 and 3,734.46 is: 5,600.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621.51 : 18,927.80 = 3,734.46 : x
  2. Step 2: Convert to fraction form
    12,621.51/18,927.80 = 3,734.46/x
  3. Step 3: Cross multiply
    12,621.51x = 18,927.80 × 3,734.46
  4. Step 4: Simplify right side
    12,621.51x = 70,685,093.32
  5. Step 5: Solve for x
    x = 70,685,093.32/12,621.51
  6. Step 6: Final answer
    x = 5,600.37

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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.