Home / 18,939.84-26,134.29-10,556.34

Finding the Fourth Proportional to 18,939.84, 26,134.29 and 10,556.34

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Solution

The fourth proportional to 18,939.84, 26,134.29 and 10,556.34 is: 14,566.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,939.84 : 26,134.29 = 10,556.34 : x
  2. Step 2: Convert to fraction form
    18,939.84/26,134.29 = 10,556.34/x
  3. Step 3: Cross multiply
    18,939.84x = 26,134.29 × 10,556.34
  4. Step 4: Simplify right side
    18,939.84x = 275,882,450.90
  5. Step 5: Solve for x
    x = 275,882,450.90/18,939.84
  6. Step 6: Final answer
    x = 14,566.25

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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.