Home / 13,827.08-19,081.38-7,539.56

Finding the Fourth Proportional to 13,827.08, 19,081.38 and 7,539.56

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Solution

The fourth proportional to 13,827.08, 19,081.38 and 7,539.56 is: 10,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.08 : 19,081.38 = 7,539.56 : x
  2. Step 2: Convert to fraction form
    13,827.08/19,081.38 = 7,539.56/x
  3. Step 3: Cross multiply
    13,827.08x = 19,081.38 × 7,539.56
  4. Step 4: Simplify right side
    13,827.08x = 143,865,209.39
  5. Step 5: Solve for x
    x = 143,865,209.39/13,827.08
  6. Step 6: Final answer
    x = 10,404.60

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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.