Home / 12,016.25-16,581.21-6,911.63

Finding the Fourth Proportional to 12,016.25, 16,581.21 and 6,911.63

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Solution

The fourth proportional to 12,016.25, 16,581.21 and 6,911.63 is: 9,537.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.25 : 16,581.21 = 6,911.63 : x
  2. Step 2: Convert to fraction form
    12,016.25/16,581.21 = 6,911.63/x
  3. Step 3: Cross multiply
    12,016.25x = 16,581.21 × 6,911.63
  4. Step 4: Simplify right side
    12,016.25x = 114,603,188.47
  5. Step 5: Solve for x
    x = 114,603,188.47/12,016.25
  6. Step 6: Final answer
    x = 9,537.35

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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.