Home / 15,004.88-20,707.64-10,757.24

Finding the Fourth Proportional to 15,004.88, 20,707.64 and 10,757.24

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Solution

The fourth proportional to 15,004.88, 20,707.64 and 10,757.24 is: 14,845.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004.88 : 20,707.64 = 10,757.24 : x
  2. Step 2: Convert to fraction form
    15,004.88/20,707.64 = 10,757.24/x
  3. Step 3: Cross multiply
    15,004.88x = 20,707.64 × 10,757.24
  4. Step 4: Simplify right side
    15,004.88x = 222,757,053.31
  5. Step 5: Solve for x
    x = 222,757,053.31/15,004.88
  6. Step 6: Final answer
    x = 14,845.64

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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.