Home / 18,565.94-27,808.57-11,428.42

Finding the Fourth Proportional to 18,565.94, 27,808.57 and 11,428.42

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Solution

The fourth proportional to 18,565.94, 27,808.57 and 11,428.42 is: 17,117.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.94 : 27,808.57 = 11,428.42 : x
  2. Step 2: Convert to fraction form
    18,565.94/27,808.57 = 11,428.42/x
  3. Step 3: Cross multiply
    18,565.94x = 27,808.57 × 11,428.42
  4. Step 4: Simplify right side
    18,565.94x = 317,807,950.18
  5. Step 5: Solve for x
    x = 317,807,950.18/18,565.94
  6. Step 6: Final answer
    x = 17,117.80

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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.