Home / 18,858.25-26,021.49-10,898.94

Finding the Fourth Proportional to 18,858.25, 26,021.49 and 10,898.94

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Solution

The fourth proportional to 18,858.25, 26,021.49 and 10,898.94 is: 15,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,858.25 : 26,021.49 = 10,898.94 : x
  2. Step 2: Convert to fraction form
    18,858.25/26,021.49 = 10,898.94/x
  3. Step 3: Cross multiply
    18,858.25x = 26,021.49 × 10,898.94
  4. Step 4: Simplify right side
    18,858.25x = 283,606,658.22
  5. Step 5: Solve for x
    x = 283,606,658.22/18,858.25
  6. Step 6: Final answer
    x = 15,038.86

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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.