Home / 13,828.70-19,084.74-7,862.24

Finding the Fourth Proportional to 13,828.70, 19,084.74 and 7,862.24

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Solution

The fourth proportional to 13,828.70, 19,084.74 and 7,862.24 is: 10,850.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.70 : 19,084.74 = 7,862.24 : x
  2. Step 2: Convert to fraction form
    13,828.70/19,084.74 = 7,862.24/x
  3. Step 3: Cross multiply
    13,828.70x = 19,084.74 × 7,862.24
  4. Step 4: Simplify right side
    13,828.70x = 150,048,806.22
  5. Step 5: Solve for x
    x = 150,048,806.22/13,828.70
  6. Step 6: Final answer
    x = 10,850.54

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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.