Home / 14,132.05-21,201.45-4,271.43

Finding the Fourth Proportional to 14,132.05, 21,201.45 and 4,271.43

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Solution

The fourth proportional to 14,132.05, 21,201.45 and 4,271.43 is: 6,408.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.05 : 21,201.45 = 4,271.43 : x
  2. Step 2: Convert to fraction form
    14,132.05/21,201.45 = 4,271.43/x
  3. Step 3: Cross multiply
    14,132.05x = 21,201.45 × 4,271.43
  4. Step 4: Simplify right side
    14,132.05x = 90,560,509.57
  5. Step 5: Solve for x
    x = 90,560,509.57/14,132.05
  6. Step 6: Final answer
    x = 6,408.17

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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.