Home / 13,181.96-18,176.87-10,001.09

Finding the Fourth Proportional to 13,181.96, 18,176.87 and 10,001.09

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Solution

The fourth proportional to 13,181.96, 18,176.87 and 10,001.09 is: 13,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181.96 : 18,176.87 = 10,001.09 : x
  2. Step 2: Convert to fraction form
    13,181.96/18,176.87 = 10,001.09/x
  3. Step 3: Cross multiply
    13,181.96x = 18,176.87 × 10,001.09
  4. Step 4: Simplify right side
    13,181.96x = 181,788,462.78
  5. Step 5: Solve for x
    x = 181,788,462.78/13,181.96
  6. Step 6: Final answer
    x = 13,790.70

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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.