Home / 11,308.21-15,605.33-6,272.48

Finding the Fourth Proportional to 11,308.21, 15,605.33 and 6,272.48

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Solution

The fourth proportional to 11,308.21, 15,605.33 and 6,272.48 is: 8,656.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.21 : 15,605.33 = 6,272.48 : x
  2. Step 2: Convert to fraction form
    11,308.21/15,605.33 = 6,272.48/x
  3. Step 3: Cross multiply
    11,308.21x = 15,605.33 × 6,272.48
  4. Step 4: Simplify right side
    11,308.21x = 97,884,127.97
  5. Step 5: Solve for x
    x = 97,884,127.97/11,308.21
  6. Step 6: Final answer
    x = 8,656.03

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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.