Home / 14,000.46-21,000.60-4,138.89

Finding the Fourth Proportional to 14,000.46, 21,000.60 and 4,138.89

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Solution

The fourth proportional to 14,000.46, 21,000.60 and 4,138.89 is: 6,208.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.46 : 21,000.60 = 4,138.89 : x
  2. Step 2: Convert to fraction form
    14,000.46/21,000.60 = 4,138.89/x
  3. Step 3: Cross multiply
    14,000.46x = 21,000.60 × 4,138.89
  4. Step 4: Simplify right side
    14,000.46x = 86,919,173.33
  5. Step 5: Solve for x
    x = 86,919,173.33/14,000.46
  6. Step 6: Final answer
    x = 6,208.31

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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.