Home / 13,055.24-17,905.27-12,519.56

Finding the Fourth Proportional to 13,055.24, 17,905.27 and 12,519.56

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Solution

The fourth proportional to 13,055.24, 17,905.27 and 12,519.56 is: 17,170.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055.24 : 17,905.27 = 12,519.56 : x
  2. Step 2: Convert to fraction form
    13,055.24/17,905.27 = 12,519.56/x
  3. Step 3: Cross multiply
    13,055.24x = 17,905.27 × 12,519.56
  4. Step 4: Simplify right side
    13,055.24x = 224,166,102.08
  5. Step 5: Solve for x
    x = 224,166,102.08/13,055.24
  6. Step 6: Final answer
    x = 17,170.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.