Home / 12,265.92-18,399.04-5,340.16

Finding the Fourth Proportional to 12,265.92, 18,399.04 and 5,340.16

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Solution

The fourth proportional to 12,265.92, 18,399.04 and 5,340.16 is: 8,010.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.92 : 18,399.04 = 5,340.16 : x
  2. Step 2: Convert to fraction form
    12,265.92/18,399.04 = 5,340.16/x
  3. Step 3: Cross multiply
    12,265.92x = 18,399.04 × 5,340.16
  4. Step 4: Simplify right side
    12,265.92x = 98,253,817.45
  5. Step 5: Solve for x
    x = 98,253,817.45/12,265.92
  6. Step 6: Final answer
    x = 8,010.31

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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.