Home / 10,778.19-16,163.63-4,206.27

Finding the Fourth Proportional to 10,778.19, 16,163.63 and 4,206.27

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Solution

The fourth proportional to 10,778.19, 16,163.63 and 4,206.27 is: 6,307.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778.19 : 16,163.63 = 4,206.27 : x
  2. Step 2: Convert to fraction form
    10,778.19/16,163.63 = 4,206.27/x
  3. Step 3: Cross multiply
    10,778.19x = 16,163.63 × 4,206.27
  4. Step 4: Simplify right side
    10,778.19x = 67,988,570.93
  5. Step 5: Solve for x
    x = 67,988,570.93/10,778.19
  6. Step 6: Final answer
    x = 6,307.98

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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.