Home / 11,316.82-15,617.27-6,281.36

Finding the Fourth Proportional to 11,316.82, 15,617.27 and 6,281.36

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Solution

The fourth proportional to 11,316.82, 15,617.27 and 6,281.36 is: 8,668.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.82 : 15,617.27 = 6,281.36 : x
  2. Step 2: Convert to fraction form
    11,316.82/15,617.27 = 6,281.36/x
  3. Step 3: Cross multiply
    11,316.82x = 15,617.27 × 6,281.36
  4. Step 4: Simplify right side
    11,316.82x = 98,097,663.68
  5. Step 5: Solve for x
    x = 98,097,663.68/11,316.82
  6. Step 6: Final answer
    x = 8,668.31

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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.