Home / 11,466.28-15,826.82-7,488

Finding the Fourth Proportional to 11,466.28, 15,826.82 and 7,488

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Solution

The fourth proportional to 11,466.28, 15,826.82 and 7,488 is: 10,335.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,466.28 : 15,826.82 = 7,488 : x
  2. Step 2: Convert to fraction form
    11,466.28/15,826.82 = 7,488/x
  3. Step 3: Cross multiply
    11,466.28x = 15,826.82 × 7,488
  4. Step 4: Simplify right side
    11,466.28x = 118,511,228.16
  5. Step 5: Solve for x
    x = 118,511,228.16/11,466.28
  6. Step 6: Final answer
    x = 10,335.63

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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.