Home / 14,643.26-21,913.85-11,979.98

Finding the Fourth Proportional to 14,643.26, 21,913.85 and 11,979.98

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Solution

The fourth proportional to 14,643.26, 21,913.85 and 11,979.98 is: 17,928.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,643.26 : 21,913.85 = 11,979.98 : x
  2. Step 2: Convert to fraction form
    14,643.26/21,913.85 = 11,979.98/x
  3. Step 3: Cross multiply
    14,643.26x = 21,913.85 × 11,979.98
  4. Step 4: Simplify right side
    14,643.26x = 262,527,405.10
  5. Step 5: Solve for x
    x = 262,527,405.10/14,643.26
  6. Step 6: Final answer
    x = 17,928.21

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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.