Home / 18,187.68-27,245.84-9,428.32

Finding the Fourth Proportional to 18,187.68, 27,245.84 and 9,428.32

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Solution

The fourth proportional to 18,187.68, 27,245.84 and 9,428.32 is: 14,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187.68 : 27,245.84 = 9,428.32 : x
  2. Step 2: Convert to fraction form
    18,187.68/27,245.84 = 9,428.32/x
  3. Step 3: Cross multiply
    18,187.68x = 27,245.84 × 9,428.32
  4. Step 4: Simplify right side
    18,187.68x = 256,882,498.19
  5. Step 5: Solve for x
    x = 256,882,498.19/18,187.68
  6. Step 6: Final answer
    x = 14,123.98

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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.