Home / 19,491.56-26,898.30-11,108.12

Finding the Fourth Proportional to 19,491.56, 26,898.30 and 11,108.12

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Solution

The fourth proportional to 19,491.56, 26,898.30 and 11,108.12 is: 15,329.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,491.56 : 26,898.30 = 11,108.12 : x
  2. Step 2: Convert to fraction form
    19,491.56/26,898.30 = 11,108.12/x
  3. Step 3: Cross multiply
    19,491.56x = 26,898.30 × 11,108.12
  4. Step 4: Simplify right side
    19,491.56x = 298,789,544.20
  5. Step 5: Solve for x
    x = 298,789,544.20/19,491.56
  6. Step 6: Final answer
    x = 15,329.18

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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.