Home / 18,738.34-25,859.01-10,354.84

Finding the Fourth Proportional to 18,738.34, 25,859.01 and 10,354.84

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Solution

The fourth proportional to 18,738.34, 25,859.01 and 10,354.84 is: 14,289.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.34 : 25,859.01 = 10,354.84 : x
  2. Step 2: Convert to fraction form
    18,738.34/25,859.01 = 10,354.84/x
  3. Step 3: Cross multiply
    18,738.34x = 25,859.01 × 10,354.84
  4. Step 4: Simplify right side
    18,738.34x = 267,765,911.11
  5. Step 5: Solve for x
    x = 267,765,911.11/18,738.34
  6. Step 6: Final answer
    x = 14,289.73

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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.