Home / 14,300.70-21,449.73-4,939.86

Finding the Fourth Proportional to 14,300.70, 21,449.73 and 4,939.86

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Solution

The fourth proportional to 14,300.70, 21,449.73 and 4,939.86 is: 7,409.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,300.70 : 21,449.73 = 4,939.86 : x
  2. Step 2: Convert to fraction form
    14,300.70/21,449.73 = 4,939.86/x
  3. Step 3: Cross multiply
    14,300.70x = 21,449.73 × 4,939.86
  4. Step 4: Simplify right side
    14,300.70x = 105,958,663.24
  5. Step 5: Solve for x
    x = 105,958,663.24/14,300.70
  6. Step 6: Final answer
    x = 7,409.33

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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.