Home / 11,263.41-15,537.62-7,013.79

Finding the Fourth Proportional to 11,263.41, 15,537.62 and 7,013.79

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Solution

The fourth proportional to 11,263.41, 15,537.62 and 7,013.79 is: 9,675.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,263.41 : 15,537.62 = 7,013.79 : x
  2. Step 2: Convert to fraction form
    11,263.41/15,537.62 = 7,013.79/x
  3. Step 3: Cross multiply
    11,263.41x = 15,537.62 × 7,013.79
  4. Step 4: Simplify right side
    11,263.41x = 108,977,603.78
  5. Step 5: Solve for x
    x = 108,977,603.78/11,263.41
  6. Step 6: Final answer
    x = 9,675.37

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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.