Home / 11,749.14-16,214.56-7,763.26

Finding the Fourth Proportional to 11,749.14, 16,214.56 and 7,763.26

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Solution

The fourth proportional to 11,749.14, 16,214.56 and 7,763.26 is: 10,713.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.14 : 16,214.56 = 7,763.26 : x
  2. Step 2: Convert to fraction form
    11,749.14/16,214.56 = 7,763.26/x
  3. Step 3: Cross multiply
    11,749.14x = 16,214.56 × 7,763.26
  4. Step 4: Simplify right side
    11,749.14x = 125,877,845.07
  5. Step 5: Solve for x
    x = 125,877,845.07/11,749.14
  6. Step 6: Final answer
    x = 10,713.79

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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.