Home / 14,132.88-21,202.16-4,271.94

Finding the Fourth Proportional to 14,132.88, 21,202.16 and 4,271.94

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Solution

The fourth proportional to 14,132.88, 21,202.16 and 4,271.94 is: 6,408.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.88 : 21,202.16 = 4,271.94 : x
  2. Step 2: Convert to fraction form
    14,132.88/21,202.16 = 4,271.94/x
  3. Step 3: Cross multiply
    14,132.88x = 21,202.16 × 4,271.94
  4. Step 4: Simplify right side
    14,132.88x = 90,574,334.03
  5. Step 5: Solve for x
    x = 90,574,334.03/14,132.88
  6. Step 6: Final answer
    x = 6,408.77

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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.