Home / 13,016.08-17,968.80-10,178.38

Finding the Fourth Proportional to 13,016.08, 17,968.80 and 10,178.38

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Solution

The fourth proportional to 13,016.08, 17,968.80 and 10,178.38 is: 14,051.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016.08 : 17,968.80 = 10,178.38 : x
  2. Step 2: Convert to fraction form
    13,016.08/17,968.80 = 10,178.38/x
  3. Step 3: Cross multiply
    13,016.08x = 17,968.80 × 10,178.38
  4. Step 4: Simplify right side
    13,016.08x = 182,893,274.54
  5. Step 5: Solve for x
    x = 182,893,274.54/13,016.08
  6. Step 6: Final answer
    x = 14,051.33

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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.