Home / 14,346.32-21,518.46-4,990.82

Finding the Fourth Proportional to 14,346.32, 21,518.46 and 4,990.82

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Solution

The fourth proportional to 14,346.32, 21,518.46 and 4,990.82 is: 7,485.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346.32 : 21,518.46 = 4,990.82 : x
  2. Step 2: Convert to fraction form
    14,346.32/21,518.46 = 4,990.82/x
  3. Step 3: Cross multiply
    14,346.32x = 21,518.46 × 4,990.82
  4. Step 4: Simplify right side
    14,346.32x = 107,394,652.94
  5. Step 5: Solve for x
    x = 107,394,652.94/14,346.32
  6. Step 6: Final answer
    x = 7,485.87

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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.