Home / 11,805.29-16,291.23-6,427.35

Finding the Fourth Proportional to 11,805.29, 16,291.23 and 6,427.35

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Solution

The fourth proportional to 11,805.29, 16,291.23 and 6,427.35 is: 8,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,805.29 : 16,291.23 = 6,427.35 : x
  2. Step 2: Convert to fraction form
    11,805.29/16,291.23 = 6,427.35/x
  3. Step 3: Cross multiply
    11,805.29x = 16,291.23 × 6,427.35
  4. Step 4: Simplify right side
    11,805.29x = 104,709,413.04
  5. Step 5: Solve for x
    x = 104,709,413.04/11,805.29
  6. Step 6: Final answer
    x = 8,869.70

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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.