Home / 11,338.98-15,647.43-6,234.51

Finding the Fourth Proportional to 11,338.98, 15,647.43 and 6,234.51

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Solution

The fourth proportional to 11,338.98, 15,647.43 and 6,234.51 is: 8,603.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.98 : 15,647.43 = 6,234.51 : x
  2. Step 2: Convert to fraction form
    11,338.98/15,647.43 = 6,234.51/x
  3. Step 3: Cross multiply
    11,338.98x = 15,647.43 × 6,234.51
  4. Step 4: Simplify right side
    11,338.98x = 97,554,058.81
  5. Step 5: Solve for x
    x = 97,554,058.81/11,338.98
  6. Step 6: Final answer
    x = 8,603.42

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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.