Home / 12,655.26-18,984.51-4,863.06

Finding the Fourth Proportional to 12,655.26, 18,984.51 and 4,863.06

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Solution

The fourth proportional to 12,655.26, 18,984.51 and 4,863.06 is: 7,295.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,655.26 : 18,984.51 = 4,863.06 : x
  2. Step 2: Convert to fraction form
    12,655.26/18,984.51 = 4,863.06/x
  3. Step 3: Cross multiply
    12,655.26x = 18,984.51 × 4,863.06
  4. Step 4: Simplify right side
    12,655.26x = 92,322,811.20
  5. Step 5: Solve for x
    x = 92,322,811.20/12,655.26
  6. Step 6: Final answer
    x = 7,295.21

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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.