Home / 11,345.29-17,000.61-4,767.88

Finding the Fourth Proportional to 11,345.29, 17,000.61 and 4,767.88

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Solution

The fourth proportional to 11,345.29, 17,000.61 and 4,767.88 is: 7,144.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.29 : 17,000.61 = 4,767.88 : x
  2. Step 2: Convert to fraction form
    11,345.29/17,000.61 = 4,767.88/x
  3. Step 3: Cross multiply
    11,345.29x = 17,000.61 × 4,767.88
  4. Step 4: Simplify right side
    11,345.29x = 81,056,868.41
  5. Step 5: Solve for x
    x = 81,056,868.41/11,345.29
  6. Step 6: Final answer
    x = 7,144.54

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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.