Home / 11,308.36-15,605.43-6,272.59

Finding the Fourth Proportional to 11,308.36, 15,605.43 and 6,272.59

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Solution

The fourth proportional to 11,308.36, 15,605.43 and 6,272.59 is: 8,656.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.36 : 15,605.43 = 6,272.59 : x
  2. Step 2: Convert to fraction form
    11,308.36/15,605.43 = 6,272.59/x
  3. Step 3: Cross multiply
    11,308.36x = 15,605.43 × 6,272.59
  4. Step 4: Simplify right side
    11,308.36x = 97,886,425.15
  5. Step 5: Solve for x
    x = 97,886,425.15/11,308.36
  6. Step 6: Final answer
    x = 8,656.11

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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.