Home / 19,526.50-26,951.43-11,147.86

Finding the Fourth Proportional to 19,526.50, 26,951.43 and 11,147.86

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Solution

The fourth proportional to 19,526.50, 26,951.43 and 11,147.86 is: 15,386.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,526.50 : 26,951.43 = 11,147.86 : x
  2. Step 2: Convert to fraction form
    19,526.50/26,951.43 = 11,147.86/x
  3. Step 3: Cross multiply
    19,526.50x = 26,951.43 × 11,147.86
  4. Step 4: Simplify right side
    19,526.50x = 300,450,768.44
  5. Step 5: Solve for x
    x = 300,450,768.44/19,526.50
  6. Step 6: Final answer
    x = 15,386.82

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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.