Home / 11,077.23-15,292.05-7,676.82

Finding the Fourth Proportional to 11,077.23, 15,292.05 and 7,676.82

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Solution

The fourth proportional to 11,077.23, 15,292.05 and 7,676.82 is: 10,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.23 : 15,292.05 = 7,676.82 : x
  2. Step 2: Convert to fraction form
    11,077.23/15,292.05 = 7,676.82/x
  3. Step 3: Cross multiply
    11,077.23x = 15,292.05 × 7,676.82
  4. Step 4: Simplify right side
    11,077.23x = 117,394,315.28
  5. Step 5: Solve for x
    x = 117,394,315.28/11,077.23
  6. Step 6: Final answer
    x = 10,597.80

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1.5x scale

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.