Home / 12,636.54-17,435.52-7,330.32

Finding the Fourth Proportional to 12,636.54, 17,435.52 and 7,330.32

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Solution

The fourth proportional to 12,636.54, 17,435.52 and 7,330.32 is: 10,114.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,636.54 : 17,435.52 = 7,330.32 : x
  2. Step 2: Convert to fraction form
    12,636.54/17,435.52 = 7,330.32/x
  3. Step 3: Cross multiply
    12,636.54x = 17,435.52 × 7,330.32
  4. Step 4: Simplify right side
    12,636.54x = 127,807,940.97
  5. Step 5: Solve for x
    x = 127,807,940.97/12,636.54
  6. Step 6: Final answer
    x = 10,114.16

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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.