Home / 18,715.90-25,826.84-10,216.33

Finding the Fourth Proportional to 18,715.90, 25,826.84 and 10,216.33

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Solution

The fourth proportional to 18,715.90, 25,826.84 and 10,216.33 is: 14,097.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715.90 : 25,826.84 = 10,216.33 : x
  2. Step 2: Convert to fraction form
    18,715.90/25,826.84 = 10,216.33/x
  3. Step 3: Cross multiply
    18,715.90x = 25,826.84 × 10,216.33
  4. Step 4: Simplify right side
    18,715.90x = 263,855,469.22
  5. Step 5: Solve for x
    x = 263,855,469.22/18,715.90
  6. Step 6: Final answer
    x = 14,097.93

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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.