Home / 18,917.88-26,107.48-10,534.38

Finding the Fourth Proportional to 18,917.88, 26,107.48 and 10,534.38

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Solution

The fourth proportional to 18,917.88, 26,107.48 and 10,534.38 is: 14,537.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,917.88 : 26,107.48 = 10,534.38 : x
  2. Step 2: Convert to fraction form
    18,917.88/26,107.48 = 10,534.38/x
  3. Step 3: Cross multiply
    18,917.88x = 26,107.48 × 10,534.38
  4. Step 4: Simplify right side
    18,917.88x = 275,026,115.16
  5. Step 5: Solve for x
    x = 275,026,115.16/18,917.88
  6. Step 6: Final answer
    x = 14,537.89

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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.