Home / 12,289.30-18,433.33-4,497.50

Finding the Fourth Proportional to 12,289.30, 18,433.33 and 4,497.50

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Solution

The fourth proportional to 12,289.30, 18,433.33 and 4,497.50 is: 6,746.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,289.30 : 18,433.33 = 4,497.50 : x
  2. Step 2: Convert to fraction form
    12,289.30/18,433.33 = 4,497.50/x
  3. Step 3: Cross multiply
    12,289.30x = 18,433.33 × 4,497.50
  4. Step 4: Simplify right side
    12,289.30x = 82,903,901.68
  5. Step 5: Solve for x
    x = 82,903,901.68/12,289.30
  6. Step 6: Final answer
    x = 6,746.02

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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.