Home / 18,131.04-25,008.24-12,764.67

Finding the Fourth Proportional to 18,131.04, 25,008.24 and 12,764.67

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Solution

The fourth proportional to 18,131.04, 25,008.24 and 12,764.67 is: 17,606.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.04 : 25,008.24 = 12,764.67 : x
  2. Step 2: Convert to fraction form
    18,131.04/25,008.24 = 12,764.67/x
  3. Step 3: Cross multiply
    18,131.04x = 25,008.24 × 12,764.67
  4. Step 4: Simplify right side
    18,131.04x = 319,221,930.88
  5. Step 5: Solve for x
    x = 319,221,930.88/18,131.04
  6. Step 6: Final answer
    x = 17,606.38

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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.