Home / 14,750.19-22,121.79-4,219.89

Finding the Fourth Proportional to 14,750.19, 22,121.79 and 4,219.89

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Solution

The fourth proportional to 14,750.19, 22,121.79 and 4,219.89 is: 6,328.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,750.19 : 22,121.79 = 4,219.89 : x
  2. Step 2: Convert to fraction form
    14,750.19/22,121.79 = 4,219.89/x
  3. Step 3: Cross multiply
    14,750.19x = 22,121.79 × 4,219.89
  4. Step 4: Simplify right side
    14,750.19x = 93,351,520.40
  5. Step 5: Solve for x
    x = 93,351,520.40/14,750.19
  6. Step 6: Final answer
    x = 6,328.84

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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.