Home / 13,801.70-19,046.34-7,514.07

Finding the Fourth Proportional to 13,801.70, 19,046.34 and 7,514.07

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Solution

The fourth proportional to 13,801.70, 19,046.34 and 7,514.07 is: 10,369.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.70 : 19,046.34 = 7,514.07 : x
  2. Step 2: Convert to fraction form
    13,801.70/19,046.34 = 7,514.07/x
  3. Step 3: Cross multiply
    13,801.70x = 19,046.34 × 7,514.07
  4. Step 4: Simplify right side
    13,801.70x = 143,115,532.00
  5. Step 5: Solve for x
    x = 143,115,532.00/13,801.70
  6. Step 6: Final answer
    x = 10,369.42

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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.