Home / 13,412.62-18,495.03-9,829.18

Finding the Fourth Proportional to 13,412.62, 18,495.03 and 9,829.18

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Solution

The fourth proportional to 13,412.62, 18,495.03 and 9,829.18 is: 13,553.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412.62 : 18,495.03 = 9,829.18 : x
  2. Step 2: Convert to fraction form
    13,412.62/18,495.03 = 9,829.18/x
  3. Step 3: Cross multiply
    13,412.62x = 18,495.03 × 9,829.18
  4. Step 4: Simplify right side
    13,412.62x = 181,790,978.98
  5. Step 5: Solve for x
    x = 181,790,978.98/13,412.62
  6. Step 6: Final answer
    x = 13,553.73

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1.5x scale

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.