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Finding the Fourth Proportional to 14,000.85, 21,001.27 and 4,766.85

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Solution

The fourth proportional to 14,000.85, 21,001.27 and 4,766.85 is: 7,150.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.85 : 21,001.27 = 4,766.85 : x
  2. Step 2: Convert to fraction form
    14,000.85/21,001.27 = 4,766.85/x
  3. Step 3: Cross multiply
    14,000.85x = 21,001.27 × 4,766.85
  4. Step 4: Simplify right side
    14,000.85x = 100,109,775.06
  5. Step 5: Solve for x
    x = 100,109,775.06/14,000.85
  6. Step 6: Final answer
    x = 7,150.27

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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.