Home / 11,807.06-17,712.51-3,487.91

Finding the Fourth Proportional to 11,807.06, 17,712.51 and 3,487.91

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Solution

The fourth proportional to 11,807.06, 17,712.51 and 3,487.91 is: 5,232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,807.06 : 17,712.51 = 3,487.91 : x
  2. Step 2: Convert to fraction form
    11,807.06/17,712.51 = 3,487.91/x
  3. Step 3: Cross multiply
    11,807.06x = 17,712.51 × 3,487.91
  4. Step 4: Simplify right side
    11,807.06x = 61,779,640.75
  5. Step 5: Solve for x
    x = 61,779,640.75/11,807.06
  6. Step 6: Final answer
    x = 5,232.43

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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.