Home / 12,775.52-19,166.01-5,383.46

Finding the Fourth Proportional to 12,775.52, 19,166.01 and 5,383.46

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Solution

The fourth proportional to 12,775.52, 19,166.01 and 5,383.46 is: 8,076.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775.52 : 19,166.01 = 5,383.46 : x
  2. Step 2: Convert to fraction form
    12,775.52/19,166.01 = 5,383.46/x
  3. Step 3: Cross multiply
    12,775.52x = 19,166.01 × 5,383.46
  4. Step 4: Simplify right side
    12,775.52x = 103,179,496.11
  5. Step 5: Solve for x
    x = 103,179,496.11/12,775.52
  6. Step 6: Final answer
    x = 8,076.34

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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.