Home / 13,771.19-19,004.36-7,483.56

Finding the Fourth Proportional to 13,771.19, 19,004.36 and 7,483.56

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Solution

The fourth proportional to 13,771.19, 19,004.36 and 7,483.56 is: 10,327.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771.19 : 19,004.36 = 7,483.56 : x
  2. Step 2: Convert to fraction form
    13,771.19/19,004.36 = 7,483.56/x
  3. Step 3: Cross multiply
    13,771.19x = 19,004.36 × 7,483.56
  4. Step 4: Simplify right side
    13,771.19x = 142,220,268.32
  5. Step 5: Solve for x
    x = 142,220,268.32/13,771.19
  6. Step 6: Final answer
    x = 10,327.38

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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.