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Finding the Fourth Proportional to 18,596.52, 25,658.62 and 10,530.36

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Solution

The fourth proportional to 18,596.52, 25,658.62 and 10,530.36 is: 14,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.52 : 25,658.62 = 10,530.36 : x
  2. Step 2: Convert to fraction form
    18,596.52/25,658.62 = 10,530.36/x
  3. Step 3: Cross multiply
    18,596.52x = 25,658.62 × 10,530.36
  4. Step 4: Simplify right side
    18,596.52x = 270,194,505.70
  5. Step 5: Solve for x
    x = 270,194,505.70/18,596.52
  6. Step 6: Final answer
    x = 14,529.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.