Home / 13,858.84-19,125.48-7,571.62

Finding the Fourth Proportional to 13,858.84, 19,125.48 and 7,571.62

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Solution

The fourth proportional to 13,858.84, 19,125.48 and 7,571.62 is: 10,448.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858.84 : 19,125.48 = 7,571.62 : x
  2. Step 2: Convert to fraction form
    13,858.84/19,125.48 = 7,571.62/x
  3. Step 3: Cross multiply
    13,858.84x = 19,125.48 × 7,571.62
  4. Step 4: Simplify right side
    13,858.84x = 144,810,866.88
  5. Step 5: Solve for x
    x = 144,810,866.88/13,858.84
  6. Step 6: Final answer
    x = 10,448.99

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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.