Home / 12,476.19-18,708.80-4,679.54

Finding the Fourth Proportional to 12,476.19, 18,708.80 and 4,679.54

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Solution

The fourth proportional to 12,476.19, 18,708.80 and 4,679.54 is: 7,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.19 : 18,708.80 = 4,679.54 : x
  2. Step 2: Convert to fraction form
    12,476.19/18,708.80 = 4,679.54/x
  3. Step 3: Cross multiply
    12,476.19x = 18,708.80 × 4,679.54
  4. Step 4: Simplify right side
    12,476.19x = 87,548,577.95
  5. Step 5: Solve for x
    x = 87,548,577.95/12,476.19
  6. Step 6: Final answer
    x = 7,017.25

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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.