Home / 11,457.60-17,180.73-3,665.40

Finding the Fourth Proportional to 11,457.60, 17,180.73 and 3,665.40

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Solution

The fourth proportional to 11,457.60, 17,180.73 and 3,665.40 is: 5,496.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,457.60 : 17,180.73 = 3,665.40 : x
  2. Step 2: Convert to fraction form
    11,457.60/17,180.73 = 3,665.40/x
  3. Step 3: Cross multiply
    11,457.60x = 17,180.73 × 3,665.40
  4. Step 4: Simplify right side
    11,457.60x = 62,974,247.74
  5. Step 5: Solve for x
    x = 62,974,247.74/11,457.60
  6. Step 6: Final answer
    x = 5,496.29

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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.