Home / 18,955.38-26,158.36-10,571.88

Finding the Fourth Proportional to 18,955.38, 26,158.36 and 10,571.88

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Solution

The fourth proportional to 18,955.38, 26,158.36 and 10,571.88 is: 14,589.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,955.38 : 26,158.36 = 10,571.88 : x
  2. Step 2: Convert to fraction form
    18,955.38/26,158.36 = 10,571.88/x
  3. Step 3: Cross multiply
    18,955.38x = 26,158.36 × 10,571.88
  4. Step 4: Simplify right side
    18,955.38x = 276,543,042.92
  5. Step 5: Solve for x
    x = 276,543,042.92/18,955.38
  6. Step 6: Final answer
    x = 14,589.16

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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.