Home / 18,242.12-25,173.54-10,283.88

Finding the Fourth Proportional to 18,242.12, 25,173.54 and 10,283.88

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Solution

The fourth proportional to 18,242.12, 25,173.54 and 10,283.88 is: 14,191.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242.12 : 25,173.54 = 10,283.88 : x
  2. Step 2: Convert to fraction form
    18,242.12/25,173.54 = 10,283.88/x
  3. Step 3: Cross multiply
    18,242.12x = 25,173.54 × 10,283.88
  4. Step 4: Simplify right side
    18,242.12x = 258,881,664.54
  5. Step 5: Solve for x
    x = 258,881,664.54/18,242.12
  6. Step 6: Final answer
    x = 14,191.42

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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.