Home / 15,974.96-23,969.23-6,621.77

Finding the Fourth Proportional to 15,974.96, 23,969.23 and 6,621.77

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Solution

The fourth proportional to 15,974.96, 23,969.23 and 6,621.77 is: 9,935.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,974.96 : 23,969.23 = 6,621.77 : x
  2. Step 2: Convert to fraction form
    15,974.96/23,969.23 = 6,621.77/x
  3. Step 3: Cross multiply
    15,974.96x = 23,969.23 × 6,621.77
  4. Step 4: Simplify right side
    15,974.96x = 158,718,695.03
  5. Step 5: Solve for x
    x = 158,718,695.03/15,974.96
  6. Step 6: Final answer
    x = 9,935.47

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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.