Home / 17,866.86-26,799.76-4,719.34

Finding the Fourth Proportional to 17,866.86, 26,799.76 and 4,719.34

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Solution

The fourth proportional to 17,866.86, 26,799.76 and 4,719.34 is: 7,078.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,866.86 : 26,799.76 = 4,719.34 : x
  2. Step 2: Convert to fraction form
    17,866.86/26,799.76 = 4,719.34/x
  3. Step 3: Cross multiply
    17,866.86x = 26,799.76 × 4,719.34
  4. Step 4: Simplify right side
    17,866.86x = 126,477,179.36
  5. Step 5: Solve for x
    x = 126,477,179.36/17,866.86
  6. Step 6: Final answer
    x = 7,078.87

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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.