Home / 11,385.09-17,071.70-5,374.89

Finding the Fourth Proportional to 11,385.09, 17,071.70 and 5,374.89

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Solution

The fourth proportional to 11,385.09, 17,071.70 and 5,374.89 is: 8,059.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,385.09 : 17,071.70 = 5,374.89 : x
  2. Step 2: Convert to fraction form
    11,385.09/17,071.70 = 5,374.89/x
  3. Step 3: Cross multiply
    11,385.09x = 17,071.70 × 5,374.89
  4. Step 4: Simplify right side
    11,385.09x = 91,758,482.74
  5. Step 5: Solve for x
    x = 91,758,482.74/11,385.09
  6. Step 6: Final answer
    x = 8,059.53

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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.