Home / 12,556.37-17,326.52-7,520.46

Finding the Fourth Proportional to 12,556.37, 17,326.52 and 7,520.46

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Solution

The fourth proportional to 12,556.37, 17,326.52 and 7,520.46 is: 10,377.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.37 : 17,326.52 = 7,520.46 : x
  2. Step 2: Convert to fraction form
    12,556.37/17,326.52 = 7,520.46/x
  3. Step 3: Cross multiply
    12,556.37x = 17,326.52 × 7,520.46
  4. Step 4: Simplify right side
    12,556.37x = 130,303,313.97
  5. Step 5: Solve for x
    x = 130,303,313.97/12,556.37
  6. Step 6: Final answer
    x = 10,377.47

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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.