Home / 18,998.89-26,218.11-10,501.31

Finding the Fourth Proportional to 18,998.89, 26,218.11 and 10,501.31

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Solution

The fourth proportional to 18,998.89, 26,218.11 and 10,501.31 is: 14,491.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,998.89 : 26,218.11 = 10,501.31 : x
  2. Step 2: Convert to fraction form
    18,998.89/26,218.11 = 10,501.31/x
  3. Step 3: Cross multiply
    18,998.89x = 26,218.11 × 10,501.31
  4. Step 4: Simplify right side
    18,998.89x = 275,324,605.65
  5. Step 5: Solve for x
    x = 275,324,605.65/18,998.89
  6. Step 6: Final answer
    x = 14,491.62

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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.