Home / 14,308.35-19,745.73-8,020.77

Finding the Fourth Proportional to 14,308.35, 19,745.73 and 8,020.77

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Solution

The fourth proportional to 14,308.35, 19,745.73 and 8,020.77 is: 11,068.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,308.35 : 19,745.73 = 8,020.77 : x
  2. Step 2: Convert to fraction form
    14,308.35/19,745.73 = 8,020.77/x
  3. Step 3: Cross multiply
    14,308.35x = 19,745.73 × 8,020.77
  4. Step 4: Simplify right side
    14,308.35x = 158,375,958.81
  5. Step 5: Solve for x
    x = 158,375,958.81/14,308.35
  6. Step 6: Final answer
    x = 11,068.78

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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.