Home / 16,715.27-23,066.48-9,161.42

Finding the Fourth Proportional to 16,715.27, 23,066.48 and 9,161.42

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Solution

The fourth proportional to 16,715.27, 23,066.48 and 9,161.42 is: 12,642.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,715.27 : 23,066.48 = 9,161.42 : x
  2. Step 2: Convert to fraction form
    16,715.27/23,066.48 = 9,161.42/x
  3. Step 3: Cross multiply
    16,715.27x = 23,066.48 × 9,161.42
  4. Step 4: Simplify right side
    16,715.27x = 211,321,550.06
  5. Step 5: Solve for x
    x = 211,321,550.06/16,715.27
  6. Step 6: Final answer
    x = 12,642.43

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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.