Home / 11,707.06-16,155.44-6,401.53

Finding the Fourth Proportional to 11,707.06, 16,155.44 and 6,401.53

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Solution

The fourth proportional to 11,707.06, 16,155.44 and 6,401.53 is: 8,833.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.06 : 16,155.44 = 6,401.53 : x
  2. Step 2: Convert to fraction form
    11,707.06/16,155.44 = 6,401.53/x
  3. Step 3: Cross multiply
    11,707.06x = 16,155.44 × 6,401.53
  4. Step 4: Simplify right side
    11,707.06x = 103,419,537.01
  5. Step 5: Solve for x
    x = 103,419,537.01/11,707.06
  6. Step 6: Final answer
    x = 8,833.95

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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.