Home / 13,224.12-19,821.60-5,426.25

Finding the Fourth Proportional to 13,224.12, 19,821.60 and 5,426.25

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Solution

The fourth proportional to 13,224.12, 19,821.60 and 5,426.25 is: 8,133.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.12 : 19,821.60 = 5,426.25 : x
  2. Step 2: Convert to fraction form
    13,224.12/19,821.60 = 5,426.25/x
  3. Step 3: Cross multiply
    13,224.12x = 19,821.60 × 5,426.25
  4. Step 4: Simplify right side
    13,224.12x = 107,556,957.00
  5. Step 5: Solve for x
    x = 107,556,957.00/13,224.12
  6. Step 6: Final answer
    x = 8,133.39

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1.5x scale

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.