Home / 13,177.08-18,181.26-9,634.14

Finding the Fourth Proportional to 13,177.08, 18,181.26 and 9,634.14

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Solution

The fourth proportional to 13,177.08, 18,181.26 and 9,634.14 is: 13,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.08 : 18,181.26 = 9,634.14 : x
  2. Step 2: Convert to fraction form
    13,177.08/18,181.26 = 9,634.14/x
  3. Step 3: Cross multiply
    13,177.08x = 18,181.26 × 9,634.14
  4. Step 4: Simplify right side
    13,177.08x = 175,160,804.22
  5. Step 5: Solve for x
    x = 175,160,804.22/13,177.08
  6. Step 6: Final answer
    x = 13,292.84

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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.