Home / 14,100.65-19,457.70-8,132.75

Finding the Fourth Proportional to 14,100.65, 19,457.70 and 8,132.75

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Solution

The fourth proportional to 14,100.65, 19,457.70 and 8,132.75 is: 11,222.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.65 : 19,457.70 = 8,132.75 : x
  2. Step 2: Convert to fraction form
    14,100.65/19,457.70 = 8,132.75/x
  3. Step 3: Cross multiply
    14,100.65x = 19,457.70 × 8,132.75
  4. Step 4: Simplify right side
    14,100.65x = 158,244,609.68
  5. Step 5: Solve for x
    x = 158,244,609.68/14,100.65
  6. Step 6: Final answer
    x = 11,222.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.