Home / 18,898.38-26,079.23-10,940.74

Finding the Fourth Proportional to 18,898.38, 26,079.23 and 10,940.74

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Solution

The fourth proportional to 18,898.38, 26,079.23 and 10,940.74 is: 15,097.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,898.38 : 26,079.23 = 10,940.74 : x
  2. Step 2: Convert to fraction form
    18,898.38/26,079.23 = 10,940.74/x
  3. Step 3: Cross multiply
    18,898.38x = 26,079.23 × 10,940.74
  4. Step 4: Simplify right side
    18,898.38x = 285,326,036.98
  5. Step 5: Solve for x
    x = 285,326,036.98/18,898.38
  6. Step 6: Final answer
    x = 15,097.91

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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.