Home / 14,769.65-22,147.09-4,905.47

Finding the Fourth Proportional to 14,769.65, 22,147.09 and 4,905.47

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Solution

The fourth proportional to 14,769.65, 22,147.09 and 4,905.47 is: 7,355.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,769.65 : 22,147.09 = 4,905.47 : x
  2. Step 2: Convert to fraction form
    14,769.65/22,147.09 = 4,905.47/x
  3. Step 3: Cross multiply
    14,769.65x = 22,147.09 × 4,905.47
  4. Step 4: Simplify right side
    14,769.65x = 108,641,928.69
  5. Step 5: Solve for x
    x = 108,641,928.69/14,769.65
  6. Step 6: Final answer
    x = 7,355.75

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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.