Home / 12,812.46-19,203.61-5,784.27

Finding the Fourth Proportional to 12,812.46, 19,203.61 and 5,784.27

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Solution

The fourth proportional to 12,812.46, 19,203.61 and 5,784.27 is: 8,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812.46 : 19,203.61 = 5,784.27 : x
  2. Step 2: Convert to fraction form
    12,812.46/19,203.61 = 5,784.27/x
  3. Step 3: Cross multiply
    12,812.46x = 19,203.61 × 5,784.27
  4. Step 4: Simplify right side
    12,812.46x = 111,078,865.21
  5. Step 5: Solve for x
    x = 111,078,865.21/12,812.46
  6. Step 6: Final answer
    x = 8,669.60

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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.