Home / 14,539.89-21,809.84-4,679.94

Finding the Fourth Proportional to 14,539.89, 21,809.84 and 4,679.94

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Solution

The fourth proportional to 14,539.89, 21,809.84 and 4,679.94 is: 7,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,539.89 : 21,809.84 = 4,679.94 : x
  2. Step 2: Convert to fraction form
    14,539.89/21,809.84 = 4,679.94/x
  3. Step 3: Cross multiply
    14,539.89x = 21,809.84 × 4,679.94
  4. Step 4: Simplify right side
    14,539.89x = 102,068,719.21
  5. Step 5: Solve for x
    x = 102,068,719.21/14,539.89
  6. Step 6: Final answer
    x = 7,019.91

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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.