Home / 14,226.06-21,285.63-13,476

Finding the Fourth Proportional to 14,226.06, 21,285.63 and 13,476

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Solution

The fourth proportional to 14,226.06, 21,285.63 and 13,476 is: 20,163.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.06 : 21,285.63 = 13,476 : x
  2. Step 2: Convert to fraction form
    14,226.06/21,285.63 = 13,476/x
  3. Step 3: Cross multiply
    14,226.06x = 21,285.63 × 13,476
  4. Step 4: Simplify right side
    14,226.06x = 286,845,149.88
  5. Step 5: Solve for x
    x = 286,845,149.88/14,226.06
  6. Step 6: Final answer
    x = 20,163.36

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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.