Home / 30,213.23-45,313.00-11,486.61

Finding the Fourth Proportional to 30,213.23, 45,313.00 and 11,486.61

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Solution

The fourth proportional to 30,213.23, 45,313.00 and 11,486.61 is: 17,227.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213.23 : 45,313.00 = 11,486.61 : x
  2. Step 2: Convert to fraction form
    30,213.23/45,313.00 = 11,486.61/x
  3. Step 3: Cross multiply
    30,213.23x = 45,313.00 × 11,486.61
  4. Step 4: Simplify right side
    30,213.23x = 520,492,474.93
  5. Step 5: Solve for x
    x = 520,492,474.93/30,213.23
  6. Step 6: Final answer
    x = 17,227.30

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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.