Home / 14,079.80-21,126.88-6,684.33

Finding the Fourth Proportional to 14,079.80, 21,126.88 and 6,684.33

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Solution

The fourth proportional to 14,079.80, 21,126.88 and 6,684.33 is: 10,029.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.80 : 21,126.88 = 6,684.33 : x
  2. Step 2: Convert to fraction form
    14,079.80/21,126.88 = 6,684.33/x
  3. Step 3: Cross multiply
    14,079.80x = 21,126.88 × 6,684.33
  4. Step 4: Simplify right side
    14,079.80x = 141,219,125.37
  5. Step 5: Solve for x
    x = 141,219,125.37/14,079.80
  6. Step 6: Final answer
    x = 10,029.91

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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.