Home / 12,564.12-18,846.15-5,163.36

Finding the Fourth Proportional to 12,564.12, 18,846.15 and 5,163.36

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Solution

The fourth proportional to 12,564.12, 18,846.15 and 5,163.36 is: 7,745.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,564.12 : 18,846.15 = 5,163.36 : x
  2. Step 2: Convert to fraction form
    12,564.12/18,846.15 = 5,163.36/x
  3. Step 3: Cross multiply
    12,564.12x = 18,846.15 × 5,163.36
  4. Step 4: Simplify right side
    12,564.12x = 97,309,457.06
  5. Step 5: Solve for x
    x = 97,309,457.06/12,564.12
  6. Step 6: Final answer
    x = 7,745.03

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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.