Home / 13,858.62-19,124.96-7,571.13

Finding the Fourth Proportional to 13,858.62, 19,124.96 and 7,571.13

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Solution

The fourth proportional to 13,858.62, 19,124.96 and 7,571.13 is: 10,448.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858.62 : 19,124.96 = 7,571.13 : x
  2. Step 2: Convert to fraction form
    13,858.62/19,124.96 = 7,571.13/x
  3. Step 3: Cross multiply
    13,858.62x = 19,124.96 × 7,571.13
  4. Step 4: Simplify right side
    13,858.62x = 144,797,520.55
  5. Step 5: Solve for x
    x = 144,797,520.55/13,858.62
  6. Step 6: Final answer
    x = 10,448.19

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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.