Home / 18,935.45-26,132.87-11,384.24

Finding the Fourth Proportional to 18,935.45, 26,132.87 and 11,384.24

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Solution

The fourth proportional to 18,935.45, 26,132.87 and 11,384.24 is: 15,711.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,935.45 : 26,132.87 = 11,384.24 : x
  2. Step 2: Convert to fraction form
    18,935.45/26,132.87 = 11,384.24/x
  3. Step 3: Cross multiply
    18,935.45x = 26,132.87 × 11,384.24
  4. Step 4: Simplify right side
    18,935.45x = 297,502,863.97
  5. Step 5: Solve for x
    x = 297,502,863.97/18,935.45
  6. Step 6: Final answer
    x = 15,711.42

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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.