Home / 11,931.26-16,477.37-8,942.36

Finding the Fourth Proportional to 11,931.26, 16,477.37 and 8,942.36

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Solution

The fourth proportional to 11,931.26, 16,477.37 and 8,942.36 is: 12,349.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.26 : 16,477.37 = 8,942.36 : x
  2. Step 2: Convert to fraction form
    11,931.26/16,477.37 = 8,942.36/x
  3. Step 3: Cross multiply
    11,931.26x = 16,477.37 × 8,942.36
  4. Step 4: Simplify right side
    11,931.26x = 147,346,447.29
  5. Step 5: Solve for x
    x = 147,346,447.29/11,931.26
  6. Step 6: Final answer
    x = 12,349.62

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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.