Home / 17,715.48-26,582.31-12,173.28

Finding the Fourth Proportional to 17,715.48, 26,582.31 and 12,173.28

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Solution

The fourth proportional to 17,715.48, 26,582.31 and 12,173.28 is: 18,266.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,715.48 : 26,582.31 = 12,173.28 : x
  2. Step 2: Convert to fraction form
    17,715.48/26,582.31 = 12,173.28/x
  3. Step 3: Cross multiply
    17,715.48x = 26,582.31 × 12,173.28
  4. Step 4: Simplify right side
    17,715.48x = 323,593,902.68
  5. Step 5: Solve for x
    x = 323,593,902.68/17,715.48
  6. Step 6: Final answer
    x = 18,266.17

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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.