Home / 19,957.94-27,543.60-11,007.20

Finding the Fourth Proportional to 19,957.94, 27,543.60 and 11,007.20

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Solution

The fourth proportional to 19,957.94, 27,543.60 and 11,007.20 is: 15,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.94 : 27,543.60 = 11,007.20 : x
  2. Step 2: Convert to fraction form
    19,957.94/27,543.60 = 11,007.20/x
  3. Step 3: Cross multiply
    19,957.94x = 27,543.60 × 11,007.20
  4. Step 4: Simplify right side
    19,957.94x = 303,177,913.92
  5. Step 5: Solve for x
    x = 303,177,913.92/19,957.94
  6. Step 6: Final answer
    x = 15,190.84

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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.