Home / 13,473.09-20,331.36-13,057.56

Finding the Fourth Proportional to 13,473.09, 20,331.36 and 13,057.56

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Solution

The fourth proportional to 13,473.09, 20,331.36 and 13,057.56 is: 19,704.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473.09 : 20,331.36 = 13,057.56 : x
  2. Step 2: Convert to fraction form
    13,473.09/20,331.36 = 13,057.56/x
  3. Step 3: Cross multiply
    13,473.09x = 20,331.36 × 13,057.56
  4. Step 4: Simplify right side
    13,473.09x = 265,477,953.08
  5. Step 5: Solve for x
    x = 265,477,953.08/13,473.09
  6. Step 6: Final answer
    x = 19,704.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.