Home / 15,749.71-23,621.32-6,979.03

Finding the Fourth Proportional to 15,749.71, 23,621.32 and 6,979.03

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Solution

The fourth proportional to 15,749.71, 23,621.32 and 6,979.03 is: 10,467.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,749.71 : 23,621.32 = 6,979.03 : x
  2. Step 2: Convert to fraction form
    15,749.71/23,621.32 = 6,979.03/x
  3. Step 3: Cross multiply
    15,749.71x = 23,621.32 × 6,979.03
  4. Step 4: Simplify right side
    15,749.71x = 164,853,900.92
  5. Step 5: Solve for x
    x = 164,853,900.92/15,749.71
  6. Step 6: Final answer
    x = 10,467.11

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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.