Home / 14,271.35-21,394.05-5,512.82

Finding the Fourth Proportional to 14,271.35, 21,394.05 and 5,512.82

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Solution

The fourth proportional to 14,271.35, 21,394.05 and 5,512.82 is: 8,264.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.35 : 21,394.05 = 5,512.82 : x
  2. Step 2: Convert to fraction form
    14,271.35/21,394.05 = 5,512.82/x
  3. Step 3: Cross multiply
    14,271.35x = 21,394.05 × 5,512.82
  4. Step 4: Simplify right side
    14,271.35x = 117,941,439.75
  5. Step 5: Solve for x
    x = 117,941,439.75/14,271.35
  6. Step 6: Final answer
    x = 8,264.21

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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.