Home / 13,887.69-19,164.92-7,514.28

Finding the Fourth Proportional to 13,887.69, 19,164.92 and 7,514.28

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Solution

The fourth proportional to 13,887.69, 19,164.92 and 7,514.28 is: 10,369.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887.69 : 19,164.92 = 7,514.28 : x
  2. Step 2: Convert to fraction form
    13,887.69/19,164.92 = 7,514.28/x
  3. Step 3: Cross multiply
    13,887.69x = 19,164.92 × 7,514.28
  4. Step 4: Simplify right side
    13,887.69x = 144,010,575.06
  5. Step 5: Solve for x
    x = 144,010,575.06/13,887.69
  6. Step 6: Final answer
    x = 10,369.66

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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.