Home / 18,910.31-26,096.24-10,955.10

Finding the Fourth Proportional to 18,910.31, 26,096.24 and 10,955.10

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Solution

The fourth proportional to 18,910.31, 26,096.24 and 10,955.10 is: 15,118.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,910.31 : 26,096.24 = 10,955.10 : x
  2. Step 2: Convert to fraction form
    18,910.31/26,096.24 = 10,955.10/x
  3. Step 3: Cross multiply
    18,910.31x = 26,096.24 × 10,955.10
  4. Step 4: Simplify right side
    18,910.31x = 285,886,864.05
  5. Step 5: Solve for x
    x = 285,886,864.05/18,910.31
  6. Step 6: Final answer
    x = 15,118.04

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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.