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Finding the Fourth Proportional to 17,222.55, 25,840.37 and 8,897.37

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Solution

The fourth proportional to 17,222.55, 25,840.37 and 8,897.37 is: 13,349.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,222.55 : 25,840.37 = 8,897.37 : x
  2. Step 2: Convert to fraction form
    17,222.55/25,840.37 = 8,897.37/x
  3. Step 3: Cross multiply
    17,222.55x = 25,840.37 × 8,897.37
  4. Step 4: Simplify right side
    17,222.55x = 229,911,332.83
  5. Step 5: Solve for x
    x = 229,911,332.83/17,222.55
  6. Step 6: Final answer
    x = 13,349.44

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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.