Home / 12,812.04-19,201.62-9,884.19

Finding the Fourth Proportional to 12,812.04, 19,201.62 and 9,884.19

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Solution

The fourth proportional to 12,812.04, 19,201.62 and 9,884.19 is: 14,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812.04 : 19,201.62 = 9,884.19 : x
  2. Step 2: Convert to fraction form
    12,812.04/19,201.62 = 9,884.19/x
  3. Step 3: Cross multiply
    12,812.04x = 19,201.62 × 9,884.19
  4. Step 4: Simplify right side
    12,812.04x = 189,792,460.39
  5. Step 5: Solve for x
    x = 189,792,460.39/12,812.04
  6. Step 6: Final answer
    x = 14,813.60

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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.