Home / 18,087.34-24,958.29-10,128.28

Finding the Fourth Proportional to 18,087.34, 24,958.29 and 10,128.28

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Solution

The fourth proportional to 18,087.34, 24,958.29 and 10,128.28 is: 13,975.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.34 : 24,958.29 = 10,128.28 : x
  2. Step 2: Convert to fraction form
    18,087.34/24,958.29 = 10,128.28/x
  3. Step 3: Cross multiply
    18,087.34x = 24,958.29 × 10,128.28
  4. Step 4: Simplify right side
    18,087.34x = 252,784,549.44
  5. Step 5: Solve for x
    x = 252,784,549.44/18,087.34
  6. Step 6: Final answer
    x = 13,975.77

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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.