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Finding the Fourth Proportional to 17,889.73, 26,835.16 and 9,000.21

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Solution

The fourth proportional to 17,889.73, 26,835.16 and 9,000.21 is: 13,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,889.73 : 26,835.16 = 9,000.21 : x
  2. Step 2: Convert to fraction form
    17,889.73/26,835.16 = 9,000.21/x
  3. Step 3: Cross multiply
    17,889.73x = 26,835.16 × 9,000.21
  4. Step 4: Simplify right side
    17,889.73x = 241,522,075.38
  5. Step 5: Solve for x
    x = 241,522,075.38/17,889.73
  6. Step 6: Final answer
    x = 13,500.60

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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.