Home / 14,404.89-21,601.79-6,907.12

Finding the Fourth Proportional to 14,404.89, 21,601.79 and 6,907.12

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Solution

The fourth proportional to 14,404.89, 21,601.79 and 6,907.12 is: 10,358.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,404.89 : 21,601.79 = 6,907.12 : x
  2. Step 2: Convert to fraction form
    14,404.89/21,601.79 = 6,907.12/x
  3. Step 3: Cross multiply
    14,404.89x = 21,601.79 × 6,907.12
  4. Step 4: Simplify right side
    14,404.89x = 149,206,214.62
  5. Step 5: Solve for x
    x = 149,206,214.62/14,404.89
  6. Step 6: Final answer
    x = 10,358.03

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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.