Home / 14,137.46-21,206.19-4,775.75

Finding the Fourth Proportional to 14,137.46, 21,206.19 and 4,775.75

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Solution

The fourth proportional to 14,137.46, 21,206.19 and 4,775.75 is: 7,163.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.46 : 21,206.19 = 4,775.75 : x
  2. Step 2: Convert to fraction form
    14,137.46/21,206.19 = 4,775.75/x
  3. Step 3: Cross multiply
    14,137.46x = 21,206.19 × 4,775.75
  4. Step 4: Simplify right side
    14,137.46x = 101,275,461.89
  5. Step 5: Solve for x
    x = 101,275,461.89/14,137.46
  6. Step 6: Final answer
    x = 7,163.63

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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.