Home / 14,471.75-21,709.61-5,109.59

Finding the Fourth Proportional to 14,471.75, 21,709.61 and 5,109.59

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Solution

The fourth proportional to 14,471.75, 21,709.61 and 5,109.59 is: 7,665.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,471.75 : 21,709.61 = 5,109.59 : x
  2. Step 2: Convert to fraction form
    14,471.75/21,709.61 = 5,109.59/x
  3. Step 3: Cross multiply
    14,471.75x = 21,709.61 × 5,109.59
  4. Step 4: Simplify right side
    14,471.75x = 110,927,206.16
  5. Step 5: Solve for x
    x = 110,927,206.16/14,471.75
  6. Step 6: Final answer
    x = 7,665.09

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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.