Home / 17,811.53-26,707.43-7,288.94

Finding the Fourth Proportional to 17,811.53, 26,707.43 and 7,288.94

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Solution

The fourth proportional to 17,811.53, 26,707.43 and 7,288.94 is: 10,929.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,811.53 : 26,707.43 = 7,288.94 : x
  2. Step 2: Convert to fraction form
    17,811.53/26,707.43 = 7,288.94/x
  3. Step 3: Cross multiply
    17,811.53x = 26,707.43 × 7,288.94
  4. Step 4: Simplify right side
    17,811.53x = 194,668,898.81
  5. Step 5: Solve for x
    x = 194,668,898.81/17,811.53
  6. Step 6: Final answer
    x = 10,929.38

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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.