Home / 13,944.72-19,241.64-7,975.02

Finding the Fourth Proportional to 13,944.72, 19,241.64 and 7,975.02

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Solution

The fourth proportional to 13,944.72, 19,241.64 and 7,975.02 is: 11,004.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.72 : 19,241.64 = 7,975.02 : x
  2. Step 2: Convert to fraction form
    13,944.72/19,241.64 = 7,975.02/x
  3. Step 3: Cross multiply
    13,944.72x = 19,241.64 × 7,975.02
  4. Step 4: Simplify right side
    13,944.72x = 153,452,463.83
  5. Step 5: Solve for x
    x = 153,452,463.83/13,944.72
  6. Step 6: Final answer
    x = 11,004.34

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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.