Home / 19,986.49-29,974.27-7,505.56

Finding the Fourth Proportional to 19,986.49, 29,974.27 and 7,505.56

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Solution

The fourth proportional to 19,986.49, 29,974.27 and 7,505.56 is: 11,256.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986.49 : 29,974.27 = 7,505.56 : x
  2. Step 2: Convert to fraction form
    19,986.49/29,974.27 = 7,505.56/x
  3. Step 3: Cross multiply
    19,986.49x = 29,974.27 × 7,505.56
  4. Step 4: Simplify right side
    19,986.49x = 224,973,532.07
  5. Step 5: Solve for x
    x = 224,973,532.07/19,986.49
  6. Step 6: Final answer
    x = 11,256.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.