Home / 18,547.36-27,821.04-11,236

Finding the Fourth Proportional to 18,547.36, 27,821.04 and 11,236

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Solution

The fourth proportional to 18,547.36, 27,821.04 and 11,236 is: 16,854

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547.36 : 27,821.04 = 11,236 : x
  2. Step 2: Convert to fraction form
    18,547.36/27,821.04 = 11,236/x
  3. Step 3: Cross multiply
    18,547.36x = 27,821.04 × 11,236
  4. Step 4: Simplify right side
    18,547.36x = 312,597,205.44
  5. Step 5: Solve for x
    x = 312,597,205.44/18,547.36
  6. Step 6: Final answer
    x = 16,854

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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.