Home / 20,629.04-30,946.44-10,238

Finding the Fourth Proportional to 20,629.04, 30,946.44 and 10,238

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Solution

The fourth proportional to 20,629.04, 30,946.44 and 10,238 is: 15,358.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629.04 : 30,946.44 = 10,238 : x
  2. Step 2: Convert to fraction form
    20,629.04/30,946.44 = 10,238/x
  3. Step 3: Cross multiply
    20,629.04x = 30,946.44 × 10,238
  4. Step 4: Simplify right side
    20,629.04x = 316,829,652.72
  5. Step 5: Solve for x
    x = 316,829,652.72/20,629.04
  6. Step 6: Final answer
    x = 15,358.43

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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.