Home / 11,328-16,985.26-4,308.52

Finding the Fourth Proportional to 11,328, 16,985.26 and 4,308.52

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Solution

The fourth proportional to 11,328, 16,985.26 and 4,308.52 is: 6,460.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328 : 16,985.26 = 4,308.52 : x
  2. Step 2: Convert to fraction form
    11,328/16,985.26 = 4,308.52/x
  3. Step 3: Cross multiply
    11,328x = 16,985.26 × 4,308.52
  4. Step 4: Simplify right side
    11,328x = 73,181,332.42
  5. Step 5: Solve for x
    x = 73,181,332.42/11,328
  6. Step 6: Final answer
    x = 6,460.22

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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.