Home / 17,910.81-26,825.33-8,557.45

Finding the Fourth Proportional to 17,910.81, 26,825.33 and 8,557.45

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Solution

The fourth proportional to 17,910.81, 26,825.33 and 8,557.45 is: 12,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,910.81 : 26,825.33 = 8,557.45 : x
  2. Step 2: Convert to fraction form
    17,910.81/26,825.33 = 8,557.45/x
  3. Step 3: Cross multiply
    17,910.81x = 26,825.33 × 8,557.45
  4. Step 4: Simplify right side
    17,910.81x = 229,556,374.54
  5. Step 5: Solve for x
    x = 229,556,374.54/17,910.81
  6. Step 6: Final answer
    x = 12,816.64

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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.