Home / 11,308.24-15,605.64-6,272.80

Finding the Fourth Proportional to 11,308.24, 15,605.64 and 6,272.80

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Solution

The fourth proportional to 11,308.24, 15,605.64 and 6,272.80 is: 8,656.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.24 : 15,605.64 = 6,272.80 : x
  2. Step 2: Convert to fraction form
    11,308.24/15,605.64 = 6,272.80/x
  3. Step 3: Cross multiply
    11,308.24x = 15,605.64 × 6,272.80
  4. Step 4: Simplify right side
    11,308.24x = 97,891,058.59
  5. Step 5: Solve for x
    x = 97,891,058.59/11,308.24
  6. Step 6: Final answer
    x = 8,656.61

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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.