Home / 18,577-27,869.82-13,373.56

Finding the Fourth Proportional to 18,577, 27,869.82 and 13,373.56

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Solution

The fourth proportional to 18,577, 27,869.82 and 13,373.56 is: 20,063.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577 : 27,869.82 = 13,373.56 : x
  2. Step 2: Convert to fraction form
    18,577/27,869.82 = 13,373.56/x
  3. Step 3: Cross multiply
    18,577x = 27,869.82 × 13,373.56
  4. Step 4: Simplify right side
    18,577x = 372,718,709.96
  5. Step 5: Solve for x
    x = 372,718,709.96/18,577
  6. Step 6: Final answer
    x = 20,063.45

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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.