Home / 14,142.04-21,217.67-6,745.54

Finding the Fourth Proportional to 14,142.04, 21,217.67 and 6,745.54

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Solution

The fourth proportional to 14,142.04, 21,217.67 and 6,745.54 is: 10,120.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,142.04 : 21,217.67 = 6,745.54 : x
  2. Step 2: Convert to fraction form
    14,142.04/21,217.67 = 6,745.54/x
  3. Step 3: Cross multiply
    14,142.04x = 21,217.67 × 6,745.54
  4. Step 4: Simplify right side
    14,142.04x = 143,124,501.88
  5. Step 5: Solve for x
    x = 143,124,501.88/14,142.04
  6. Step 6: Final answer
    x = 10,120.50

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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.