Home / 11,326.38-16,985.22-6,129.42

Finding the Fourth Proportional to 11,326.38, 16,985.22 and 6,129.42

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Solution

The fourth proportional to 11,326.38, 16,985.22 and 6,129.42 is: 9,191.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.38 : 16,985.22 = 6,129.42 : x
  2. Step 2: Convert to fraction form
    11,326.38/16,985.22 = 6,129.42/x
  3. Step 3: Cross multiply
    11,326.38x = 16,985.22 × 6,129.42
  4. Step 4: Simplify right side
    11,326.38x = 104,109,547.17
  5. Step 5: Solve for x
    x = 104,109,547.17/11,326.38
  6. Step 6: Final answer
    x = 9,191.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.