Home / 12,474.76-18,708.08-4,152.54

Finding the Fourth Proportional to 12,474.76, 18,708.08 and 4,152.54

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Solution

The fourth proportional to 12,474.76, 18,708.08 and 4,152.54 is: 6,227.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.76 : 18,708.08 = 4,152.54 : x
  2. Step 2: Convert to fraction form
    12,474.76/18,708.08 = 4,152.54/x
  3. Step 3: Cross multiply
    12,474.76x = 18,708.08 × 4,152.54
  4. Step 4: Simplify right side
    12,474.76x = 77,686,012.18
  5. Step 5: Solve for x
    x = 77,686,012.18/12,474.76
  6. Step 6: Final answer
    x = 6,227.46

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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.