Home / 17,911.53-26,842.69-9,127.99

Finding the Fourth Proportional to 17,911.53, 26,842.69 and 9,127.99

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Solution

The fourth proportional to 17,911.53, 26,842.69 and 9,127.99 is: 13,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911.53 : 26,842.69 = 9,127.99 : x
  2. Step 2: Convert to fraction form
    17,911.53/26,842.69 = 9,127.99/x
  3. Step 3: Cross multiply
    17,911.53x = 26,842.69 × 9,127.99
  4. Step 4: Simplify right side
    17,911.53x = 245,019,850.86
  5. Step 5: Solve for x
    x = 245,019,850.86/17,911.53
  6. Step 6: Final answer
    x = 13,679.45

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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.