Home / 18,084.84-24,958.26-10,129.64

Finding the Fourth Proportional to 18,084.84, 24,958.26 and 10,129.64

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Solution

The fourth proportional to 18,084.84, 24,958.26 and 10,129.64 is: 13,979.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.84 : 24,958.26 = 10,129.64 : x
  2. Step 2: Convert to fraction form
    18,084.84/24,958.26 = 10,129.64/x
  3. Step 3: Cross multiply
    18,084.84x = 24,958.26 × 10,129.64
  4. Step 4: Simplify right side
    18,084.84x = 252,818,188.83
  5. Step 5: Solve for x
    x = 252,818,188.83/18,084.84
  6. Step 6: Final answer
    x = 13,979.56

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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.