Home / 14,020.07-21,023.82-4,155.89

Finding the Fourth Proportional to 14,020.07, 21,023.82 and 4,155.89

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Solution

The fourth proportional to 14,020.07, 21,023.82 and 4,155.89 is: 6,231.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.07 : 21,023.82 = 4,155.89 : x
  2. Step 2: Convert to fraction form
    14,020.07/21,023.82 = 4,155.89/x
  3. Step 3: Cross multiply
    14,020.07x = 21,023.82 × 4,155.89
  4. Step 4: Simplify right side
    14,020.07x = 87,372,578.18
  5. Step 5: Solve for x
    x = 87,372,578.18/14,020.07
  6. Step 6: Final answer
    x = 6,231.97

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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.