Home / 14,222.87-21,334.34-4,362.15

Finding the Fourth Proportional to 14,222.87, 21,334.34 and 4,362.15

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Solution

The fourth proportional to 14,222.87, 21,334.34 and 4,362.15 is: 6,543.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.87 : 21,334.34 = 4,362.15 : x
  2. Step 2: Convert to fraction form
    14,222.87/21,334.34 = 4,362.15/x
  3. Step 3: Cross multiply
    14,222.87x = 21,334.34 × 4,362.15
  4. Step 4: Simplify right side
    14,222.87x = 93,063,657.60
  5. Step 5: Solve for x
    x = 93,063,657.60/14,222.87
  6. Step 6: Final answer
    x = 6,543.24

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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.