Home / 18,849.23-28,283.57-7,764.11

Finding the Fourth Proportional to 18,849.23, 28,283.57 and 7,764.11

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Solution

The fourth proportional to 18,849.23, 28,283.57 and 7,764.11 is: 11,650.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,849.23 : 28,283.57 = 7,764.11 : x
  2. Step 2: Convert to fraction form
    18,849.23/28,283.57 = 7,764.11/x
  3. Step 3: Cross multiply
    18,849.23x = 28,283.57 × 7,764.11
  4. Step 4: Simplify right side
    18,849.23x = 219,596,709.85
  5. Step 5: Solve for x
    x = 219,596,709.85/18,849.23
  6. Step 6: Final answer
    x = 11,650.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.