Home / 18,250.34-25,185.42-9,866.84

Finding the Fourth Proportional to 18,250.34, 25,185.42 and 9,866.84

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Solution

The fourth proportional to 18,250.34, 25,185.42 and 9,866.84 is: 13,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.34 : 25,185.42 = 9,866.84 : x
  2. Step 2: Convert to fraction form
    18,250.34/25,185.42 = 9,866.84/x
  3. Step 3: Cross multiply
    18,250.34x = 25,185.42 × 9,866.84
  4. Step 4: Simplify right side
    18,250.34x = 248,500,383.55
  5. Step 5: Solve for x
    x = 248,500,383.55/18,250.34
  6. Step 6: Final answer
    x = 13,616.21

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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.