Home / 13,848.84-20,745.52-6,443.01

Finding the Fourth Proportional to 13,848.84, 20,745.52 and 6,443.01

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Solution

The fourth proportional to 13,848.84, 20,745.52 and 6,443.01 is: 9,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.84 : 20,745.52 = 6,443.01 : x
  2. Step 2: Convert to fraction form
    13,848.84/20,745.52 = 6,443.01/x
  3. Step 3: Cross multiply
    13,848.84x = 20,745.52 × 6,443.01
  4. Step 4: Simplify right side
    13,848.84x = 133,663,576.71
  5. Step 5: Solve for x
    x = 133,663,576.71/13,848.84
  6. Step 6: Final answer
    x = 9,651.61

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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.