Home / 18,549.29-27,811.58-9,642.73

Finding the Fourth Proportional to 18,549.29, 27,811.58 and 9,642.73

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Solution

The fourth proportional to 18,549.29, 27,811.58 and 9,642.73 is: 14,457.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.29 : 27,811.58 = 9,642.73 : x
  2. Step 2: Convert to fraction form
    18,549.29/27,811.58 = 9,642.73/x
  3. Step 3: Cross multiply
    18,549.29x = 27,811.58 × 9,642.73
  4. Step 4: Simplify right side
    18,549.29x = 268,179,508.60
  5. Step 5: Solve for x
    x = 268,179,508.60/18,549.29
  6. Step 6: Final answer
    x = 14,457.67

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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.