Home / 14,093.80-21,134.30-5,325.80

Finding the Fourth Proportional to 14,093.80, 21,134.30 and 5,325.80

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Solution

The fourth proportional to 14,093.80, 21,134.30 and 5,325.80 is: 7,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,093.80 : 21,134.30 = 5,325.80 : x
  2. Step 2: Convert to fraction form
    14,093.80/21,134.30 = 5,325.80/x
  3. Step 3: Cross multiply
    14,093.80x = 21,134.30 × 5,325.80
  4. Step 4: Simplify right side
    14,093.80x = 112,557,054.94
  5. Step 5: Solve for x
    x = 112,557,054.94/14,093.80
  6. Step 6: Final answer
    x = 7,986.28

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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.