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Finding the Fourth Proportional to 15,148, 22,722.81 and 4,760.56

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Solution

The fourth proportional to 15,148, 22,722.81 and 4,760.56 is: 7,141.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,148 : 22,722.81 = 4,760.56 : x
  2. Step 2: Convert to fraction form
    15,148/22,722.81 = 4,760.56/x
  3. Step 3: Cross multiply
    15,148x = 22,722.81 × 4,760.56
  4. Step 4: Simplify right side
    15,148x = 108,173,300.37
  5. Step 5: Solve for x
    x = 108,173,300.37/15,148
  6. Step 6: Final answer
    x = 7,141.09

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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.