Home / 11,316.66-15,617.36-6,281.25

Finding the Fourth Proportional to 11,316.66, 15,617.36 and 6,281.25

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Solution

The fourth proportional to 11,316.66, 15,617.36 and 6,281.25 is: 8,668.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.66 : 15,617.36 = 6,281.25 : x
  2. Step 2: Convert to fraction form
    11,316.66/15,617.36 = 6,281.25/x
  3. Step 3: Cross multiply
    11,316.66x = 15,617.36 × 6,281.25
  4. Step 4: Simplify right side
    11,316.66x = 98,096,511.09
  5. Step 5: Solve for x
    x = 98,096,511.09/11,316.66
  6. Step 6: Final answer
    x = 8,668.33

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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.