Home / 10,636.08-15,940.44-9,316.68

Finding the Fourth Proportional to 10,636.08, 15,940.44 and 9,316.68

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Solution

The fourth proportional to 10,636.08, 15,940.44 and 9,316.68 is: 13,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,636.08 : 15,940.44 = 9,316.68 : x
  2. Step 2: Convert to fraction form
    10,636.08/15,940.44 = 9,316.68/x
  3. Step 3: Cross multiply
    10,636.08x = 15,940.44 × 9,316.68
  4. Step 4: Simplify right side
    10,636.08x = 148,511,978.54
  5. Step 5: Solve for x
    x = 148,511,978.54/10,636.08
  6. Step 6: Final answer
    x = 13,963.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.