Home / 18,654.06-25,742.70-10,698.24

Finding the Fourth Proportional to 18,654.06, 25,742.70 and 10,698.24

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Solution

The fourth proportional to 18,654.06, 25,742.70 and 10,698.24 is: 14,763.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654.06 : 25,742.70 = 10,698.24 : x
  2. Step 2: Convert to fraction form
    18,654.06/25,742.70 = 10,698.24/x
  3. Step 3: Cross multiply
    18,654.06x = 25,742.70 × 10,698.24
  4. Step 4: Simplify right side
    18,654.06x = 275,401,582.85
  5. Step 5: Solve for x
    x = 275,401,582.85/18,654.06
  6. Step 6: Final answer
    x = 14,763.63

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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.