Home / 18,830.73-25,986.42-10,447.23

Finding the Fourth Proportional to 18,830.73, 25,986.42 and 10,447.23

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Solution

The fourth proportional to 18,830.73, 25,986.42 and 10,447.23 is: 14,417.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.73 : 25,986.42 = 10,447.23 : x
  2. Step 2: Convert to fraction form
    18,830.73/25,986.42 = 10,447.23/x
  3. Step 3: Cross multiply
    18,830.73x = 25,986.42 × 10,447.23
  4. Step 4: Simplify right side
    18,830.73x = 271,486,106.62
  5. Step 5: Solve for x
    x = 271,486,106.62/18,830.73
  6. Step 6: Final answer
    x = 14,417.18

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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.