Home / 16,911.80-23,313.44-11,860.72

Finding the Fourth Proportional to 16,911.80, 23,313.44 and 11,860.72

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Solution

The fourth proportional to 16,911.80, 23,313.44 and 11,860.72 is: 16,350.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.80 : 23,313.44 = 11,860.72 : x
  2. Step 2: Convert to fraction form
    16,911.80/23,313.44 = 11,860.72/x
  3. Step 3: Cross multiply
    16,911.80x = 23,313.44 × 11,860.72
  4. Step 4: Simplify right side
    16,911.80x = 276,514,184.08
  5. Step 5: Solve for x
    x = 276,514,184.08/16,911.80
  6. Step 6: Final answer
    x = 16,350.37

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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.