Home / 30,152.72-45,192.75-11,162.18

Finding the Fourth Proportional to 30,152.72, 45,192.75 and 11,162.18

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Solution

The fourth proportional to 30,152.72, 45,192.75 and 11,162.18 is: 16,729.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,152.72 : 45,192.75 = 11,162.18 : x
  2. Step 2: Convert to fraction form
    30,152.72/45,192.75 = 11,162.18/x
  3. Step 3: Cross multiply
    30,152.72x = 45,192.75 × 11,162.18
  4. Step 4: Simplify right side
    30,152.72x = 504,449,610.20
  5. Step 5: Solve for x
    x = 504,449,610.20/30,152.72
  6. Step 6: Final answer
    x = 16,729.82

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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.