Home / 12,168.28-16,792.38-6,862.60

Finding the Fourth Proportional to 12,168.28, 16,792.38 and 6,862.60

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Solution

The fourth proportional to 12,168.28, 16,792.38 and 6,862.60 is: 9,470.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168.28 : 16,792.38 = 6,862.60 : x
  2. Step 2: Convert to fraction form
    12,168.28/16,792.38 = 6,862.60/x
  3. Step 3: Cross multiply
    12,168.28x = 16,792.38 × 6,862.60
  4. Step 4: Simplify right side
    12,168.28x = 115,239,386.99
  5. Step 5: Solve for x
    x = 115,239,386.99/12,168.28
  6. Step 6: Final answer
    x = 9,470.47

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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.