Home / 11,457.24-15,811.14-7,476.04

Finding the Fourth Proportional to 11,457.24, 15,811.14 and 7,476.04

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Solution

The fourth proportional to 11,457.24, 15,811.14 and 7,476.04 is: 10,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,457.24 : 15,811.14 = 7,476.04 : x
  2. Step 2: Convert to fraction form
    11,457.24/15,811.14 = 7,476.04/x
  3. Step 3: Cross multiply
    11,457.24x = 15,811.14 × 7,476.04
  4. Step 4: Simplify right side
    11,457.24x = 118,204,715.09
  5. Step 5: Solve for x
    x = 118,204,715.09/11,457.24
  6. Step 6: Final answer
    x = 10,317.04

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Why These Related Problems?

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