Home / 18,943.73-28,389.87-10,056.81

Finding the Fourth Proportional to 18,943.73, 28,389.87 and 10,056.81

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Solution

The fourth proportional to 18,943.73, 28,389.87 and 10,056.81 is: 15,071.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.73 : 28,389.87 = 10,056.81 : x
  2. Step 2: Convert to fraction form
    18,943.73/28,389.87 = 10,056.81/x
  3. Step 3: Cross multiply
    18,943.73x = 28,389.87 × 10,056.81
  4. Step 4: Simplify right side
    18,943.73x = 285,511,528.51
  5. Step 5: Solve for x
    x = 285,511,528.51/18,943.73
  6. Step 6: Final answer
    x = 15,071.56

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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.