Home / 12,553.44-18,829.38-5,157.71

Finding the Fourth Proportional to 12,553.44, 18,829.38 and 5,157.71

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Solution

The fourth proportional to 12,553.44, 18,829.38 and 5,157.71 is: 7,736.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.44 : 18,829.38 = 5,157.71 : x
  2. Step 2: Convert to fraction form
    12,553.44/18,829.38 = 5,157.71/x
  3. Step 3: Cross multiply
    12,553.44x = 18,829.38 × 5,157.71
  4. Step 4: Simplify right side
    12,553.44x = 97,116,387.37
  5. Step 5: Solve for x
    x = 97,116,387.37/12,553.44
  6. Step 6: Final answer
    x = 7,736.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.