Home / 18,394.32-25,383.84-10,010.88

Finding the Fourth Proportional to 18,394.32, 25,383.84 and 10,010.88

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Solution

The fourth proportional to 18,394.32, 25,383.84 and 10,010.88 is: 13,814.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.32 : 25,383.84 = 10,010.88 : x
  2. Step 2: Convert to fraction form
    18,394.32/25,383.84 = 10,010.88/x
  3. Step 3: Cross multiply
    18,394.32x = 25,383.84 × 10,010.88
  4. Step 4: Simplify right side
    18,394.32x = 254,114,576.18
  5. Step 5: Solve for x
    x = 254,114,576.18/18,394.32
  6. Step 6: Final answer
    x = 13,814.84

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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.