Home / 11,391.04-17,085.29-3,071.89

Finding the Fourth Proportional to 11,391.04, 17,085.29 and 3,071.89

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Solution

The fourth proportional to 11,391.04, 17,085.29 and 3,071.89 is: 4,607.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.04 : 17,085.29 = 3,071.89 : x
  2. Step 2: Convert to fraction form
    11,391.04/17,085.29 = 3,071.89/x
  3. Step 3: Cross multiply
    11,391.04x = 17,085.29 × 3,071.89
  4. Step 4: Simplify right side
    11,391.04x = 52,484,131.50
  5. Step 5: Solve for x
    x = 52,484,131.50/11,391.04
  6. Step 6: Final answer
    x = 4,607.49

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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.