Home / 18,605.02-25,674.42-10,221.52

Finding the Fourth Proportional to 18,605.02, 25,674.42 and 10,221.52

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Solution

The fourth proportional to 18,605.02, 25,674.42 and 10,221.52 is: 14,105.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,605.02 : 25,674.42 = 10,221.52 : x
  2. Step 2: Convert to fraction form
    18,605.02/25,674.42 = 10,221.52/x
  3. Step 3: Cross multiply
    18,605.02x = 25,674.42 × 10,221.52
  4. Step 4: Simplify right side
    18,605.02x = 262,431,597.52
  5. Step 5: Solve for x
    x = 262,431,597.52/18,605.02
  6. Step 6: Final answer
    x = 14,105.42

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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.