Home / 14,660.98-20,231.93-8,287.34

Finding the Fourth Proportional to 14,660.98, 20,231.93 and 8,287.34

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Solution

The fourth proportional to 14,660.98, 20,231.93 and 8,287.34 is: 11,436.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.98 : 20,231.93 = 8,287.34 : x
  2. Step 2: Convert to fraction form
    14,660.98/20,231.93 = 8,287.34/x
  3. Step 3: Cross multiply
    14,660.98x = 20,231.93 × 8,287.34
  4. Step 4: Simplify right side
    14,660.98x = 167,668,907.45
  5. Step 5: Solve for x
    x = 167,668,907.45/14,660.98
  6. Step 6: Final answer
    x = 11,436.41

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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.