Home / 16,771.05-23,144.40-9,218.07

Finding the Fourth Proportional to 16,771.05, 23,144.40 and 9,218.07

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Solution

The fourth proportional to 16,771.05, 23,144.40 and 9,218.07 is: 12,721.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,771.05 : 23,144.40 = 9,218.07 : x
  2. Step 2: Convert to fraction form
    16,771.05/23,144.40 = 9,218.07/x
  3. Step 3: Cross multiply
    16,771.05x = 23,144.40 × 9,218.07
  4. Step 4: Simplify right side
    16,771.05x = 213,346,699.31
  5. Step 5: Solve for x
    x = 213,346,699.31/16,771.05
  6. Step 6: Final answer
    x = 12,721.13

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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.