Home / 13,222.66-19,821.35-4,900.44

Finding the Fourth Proportional to 13,222.66, 19,821.35 and 4,900.44

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Solution

The fourth proportional to 13,222.66, 19,821.35 and 4,900.44 is: 7,345.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,222.66 : 19,821.35 = 4,900.44 : x
  2. Step 2: Convert to fraction form
    13,222.66/19,821.35 = 4,900.44/x
  3. Step 3: Cross multiply
    13,222.66x = 19,821.35 × 4,900.44
  4. Step 4: Simplify right side
    13,222.66x = 97,133,395.41
  5. Step 5: Solve for x
    x = 97,133,395.41/13,222.66
  6. Step 6: Final answer
    x = 7,345.98

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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.