Home / 14,163.94-21,243.03-13,461.40

Finding the Fourth Proportional to 14,163.94, 21,243.03 and 13,461.40

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Solution

The fourth proportional to 14,163.94, 21,243.03 and 13,461.40 is: 20,189.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.94 : 21,243.03 = 13,461.40 : x
  2. Step 2: Convert to fraction form
    14,163.94/21,243.03 = 13,461.40/x
  3. Step 3: Cross multiply
    14,163.94x = 21,243.03 × 13,461.40
  4. Step 4: Simplify right side
    14,163.94x = 285,960,924.04
  5. Step 5: Solve for x
    x = 285,960,924.04/14,163.94
  6. Step 6: Final answer
    x = 20,189.36

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1.5x scale

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.