Home / 10,133.19-13,986.14-5,942.79

Finding the Fourth Proportional to 10,133.19, 13,986.14 and 5,942.79

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Solution

The fourth proportional to 10,133.19, 13,986.14 and 5,942.79 is: 8,202.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.19 : 13,986.14 = 5,942.79 : x
  2. Step 2: Convert to fraction form
    10,133.19/13,986.14 = 5,942.79/x
  3. Step 3: Cross multiply
    10,133.19x = 13,986.14 × 5,942.79
  4. Step 4: Simplify right side
    10,133.19x = 83,116,663.22
  5. Step 5: Solve for x
    x = 83,116,663.22/10,133.19
  6. Step 6: Final answer
    x = 8,202.42

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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.