Home / 11,852.40-17,755.20-7,695.30

Finding the Fourth Proportional to 11,852.40, 17,755.20 and 7,695.30

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Solution

The fourth proportional to 11,852.40, 17,755.20 and 7,695.30 is: 11,527.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.40 : 17,755.20 = 7,695.30 : x
  2. Step 2: Convert to fraction form
    11,852.40/17,755.20 = 7,695.30/x
  3. Step 3: Cross multiply
    11,852.40x = 17,755.20 × 7,695.30
  4. Step 4: Simplify right side
    11,852.40x = 136,631,590.56
  5. Step 5: Solve for x
    x = 136,631,590.56/11,852.40
  6. Step 6: Final answer
    x = 11,527.76

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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.