Home / 16,823.80-25,235.70-10,918.90

Finding the Fourth Proportional to 16,823.80, 25,235.70 and 10,918.90

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Solution

The fourth proportional to 16,823.80, 25,235.70 and 10,918.90 is: 16,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,823.80 : 25,235.70 = 10,918.90 : x
  2. Step 2: Convert to fraction form
    16,823.80/25,235.70 = 10,918.90/x
  3. Step 3: Cross multiply
    16,823.80x = 25,235.70 × 10,918.90
  4. Step 4: Simplify right side
    16,823.80x = 275,546,084.73
  5. Step 5: Solve for x
    x = 275,546,084.73/16,823.80
  6. Step 6: Final answer
    x = 16,378.35

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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.