Home / 14,122.33-21,182.94-4,261.34

Finding the Fourth Proportional to 14,122.33, 21,182.94 and 4,261.34

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Solution

The fourth proportional to 14,122.33, 21,182.94 and 4,261.34 is: 6,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.33 : 21,182.94 = 4,261.34 : x
  2. Step 2: Convert to fraction form
    14,122.33/21,182.94 = 4,261.34/x
  3. Step 3: Cross multiply
    14,122.33x = 21,182.94 × 4,261.34
  4. Step 4: Simplify right side
    14,122.33x = 90,267,762.50
  5. Step 5: Solve for x
    x = 90,267,762.50/14,122.33
  6. Step 6: Final answer
    x = 6,391.85

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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.