Home / 14,149.05-21,223.52-4,289.13

Finding the Fourth Proportional to 14,149.05, 21,223.52 and 4,289.13

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Solution

The fourth proportional to 14,149.05, 21,223.52 and 4,289.13 is: 6,433.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.05 : 21,223.52 = 4,289.13 : x
  2. Step 2: Convert to fraction form
    14,149.05/21,223.52 = 4,289.13/x
  3. Step 3: Cross multiply
    14,149.05x = 21,223.52 × 4,289.13
  4. Step 4: Simplify right side
    14,149.05x = 91,030,436.34
  5. Step 5: Solve for x
    x = 91,030,436.34/14,149.05
  6. Step 6: Final answer
    x = 6,433.68

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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.