Home / 12,776.02-19,163.86-4,455.88

Finding the Fourth Proportional to 12,776.02, 19,163.86 and 4,455.88

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Solution

The fourth proportional to 12,776.02, 19,163.86 and 4,455.88 is: 6,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776.02 : 19,163.86 = 4,455.88 : x
  2. Step 2: Convert to fraction form
    12,776.02/19,163.86 = 4,455.88/x
  3. Step 3: Cross multiply
    12,776.02x = 19,163.86 × 4,455.88
  4. Step 4: Simplify right side
    12,776.02x = 85,391,860.50
  5. Step 5: Solve for x
    x = 85,391,860.50/12,776.02
  6. Step 6: Final answer
    x = 6,683.76

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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.