Home / 13,858.08-19,124.48-7,571.04

Finding the Fourth Proportional to 13,858.08, 19,124.48 and 7,571.04

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Solution

The fourth proportional to 13,858.08, 19,124.48 and 7,571.04 is: 10,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858.08 : 19,124.48 = 7,571.04 : x
  2. Step 2: Convert to fraction form
    13,858.08/19,124.48 = 7,571.04/x
  3. Step 3: Cross multiply
    13,858.08x = 19,124.48 × 7,571.04
  4. Step 4: Simplify right side
    13,858.08x = 144,792,203.06
  5. Step 5: Solve for x
    x = 144,792,203.06/13,858.08
  6. Step 6: Final answer
    x = 10,448.22

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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.