Home / 11,670.09-17,505.10-2,905

Finding the Fourth Proportional to 11,670.09, 17,505.10 and 2,905

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Solution

The fourth proportional to 11,670.09, 17,505.10 and 2,905 is: 4,357.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.09 : 17,505.10 = 2,905 : x
  2. Step 2: Convert to fraction form
    11,670.09/17,505.10 = 2,905/x
  3. Step 3: Cross multiply
    11,670.09x = 17,505.10 × 2,905
  4. Step 4: Simplify right side
    11,670.09x = 50,852,315.50
  5. Step 5: Solve for x
    x = 50,852,315.50/11,670.09
  6. Step 6: Final answer
    x = 4,357.49

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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.