Home / 11,697.21-16,143.60-7,396.62

Finding the Fourth Proportional to 11,697.21, 16,143.60 and 7,396.62

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Solution

The fourth proportional to 11,697.21, 16,143.60 and 7,396.62 is: 10,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,697.21 : 16,143.60 = 7,396.62 : x
  2. Step 2: Convert to fraction form
    11,697.21/16,143.60 = 7,396.62/x
  3. Step 3: Cross multiply
    11,697.21x = 16,143.60 × 7,396.62
  4. Step 4: Simplify right side
    11,697.21x = 119,408,041.83
  5. Step 5: Solve for x
    x = 119,408,041.83/11,697.21
  6. Step 6: Final answer
    x = 10,208.25

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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.