Home / 13,827.53-19,081.75-7,539.91

Finding the Fourth Proportional to 13,827.53, 19,081.75 and 7,539.91

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Solution

The fourth proportional to 13,827.53, 19,081.75 and 7,539.91 is: 10,404.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.53 : 19,081.75 = 7,539.91 : x
  2. Step 2: Convert to fraction form
    13,827.53/19,081.75 = 7,539.91/x
  3. Step 3: Cross multiply
    13,827.53x = 19,081.75 × 7,539.91
  4. Step 4: Simplify right side
    13,827.53x = 143,874,677.64
  5. Step 5: Solve for x
    x = 143,874,677.64/13,827.53
  6. Step 6: Final answer
    x = 10,404.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.