Home / 10,256.75-15,304.62-9,629.81

Finding the Fourth Proportional to 10,256.75, 15,304.62 and 9,629.81

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Solution

The fourth proportional to 10,256.75, 15,304.62 and 9,629.81 is: 14,369.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256.75 : 15,304.62 = 9,629.81 : x
  2. Step 2: Convert to fraction form
    10,256.75/15,304.62 = 9,629.81/x
  3. Step 3: Cross multiply
    10,256.75x = 15,304.62 × 9,629.81
  4. Step 4: Simplify right side
    10,256.75x = 147,380,582.72
  5. Step 5: Solve for x
    x = 147,380,582.72/10,256.75
  6. Step 6: Final answer
    x = 14,369.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.