Home / 11,710.15-17,560.81-3,810.59

Finding the Fourth Proportional to 11,710.15, 17,560.81 and 3,810.59

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Solution

The fourth proportional to 11,710.15, 17,560.81 and 3,810.59 is: 5,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,710.15 : 17,560.81 = 3,810.59 : x
  2. Step 2: Convert to fraction form
    11,710.15/17,560.81 = 3,810.59/x
  3. Step 3: Cross multiply
    11,710.15x = 17,560.81 × 3,810.59
  4. Step 4: Simplify right side
    11,710.15x = 66,917,029.79
  5. Step 5: Solve for x
    x = 66,917,029.79/11,710.15
  6. Step 6: Final answer
    x = 5,714.45

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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.