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Finding the Fourth Proportional to 14,526.75, 21,789.03 and 8,267.11

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Solution

The fourth proportional to 14,526.75, 21,789.03 and 8,267.11 is: 12,400.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,526.75 : 21,789.03 = 8,267.11 : x
  2. Step 2: Convert to fraction form
    14,526.75/21,789.03 = 8,267.11/x
  3. Step 3: Cross multiply
    14,526.75x = 21,789.03 × 8,267.11
  4. Step 4: Simplify right side
    14,526.75x = 180,132,307.80
  5. Step 5: Solve for x
    x = 180,132,307.80/14,526.75
  6. Step 6: Final answer
    x = 12,400.04

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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.