Home / 18,446.37-25,455.92-10,488.60

Finding the Fourth Proportional to 18,446.37, 25,455.92 and 10,488.60

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Solution

The fourth proportional to 18,446.37, 25,455.92 and 10,488.60 is: 14,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446.37 : 25,455.92 = 10,488.60 : x
  2. Step 2: Convert to fraction form
    18,446.37/25,455.92 = 10,488.60/x
  3. Step 3: Cross multiply
    18,446.37x = 25,455.92 × 10,488.60
  4. Step 4: Simplify right side
    18,446.37x = 266,996,910.07
  5. Step 5: Solve for x
    x = 266,996,910.07/18,446.37
  6. Step 6: Final answer
    x = 14,474.23

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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.