Home / 14,309.94-19,745.19-8,643.18

Finding the Fourth Proportional to 14,309.94, 19,745.19 and 8,643.18

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Solution

The fourth proportional to 14,309.94, 19,745.19 and 8,643.18 is: 11,926.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,309.94 : 19,745.19 = 8,643.18 : x
  2. Step 2: Convert to fraction form
    14,309.94/19,745.19 = 8,643.18/x
  3. Step 3: Cross multiply
    14,309.94x = 19,745.19 × 8,643.18
  4. Step 4: Simplify right side
    14,309.94x = 170,661,231.30
  5. Step 5: Solve for x
    x = 170,661,231.30/14,309.94
  6. Step 6: Final answer
    x = 11,926.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.