Home / 13,904.25-19,188.18-7,935.80

Finding the Fourth Proportional to 13,904.25, 19,188.18 and 7,935.80

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Solution

The fourth proportional to 13,904.25, 19,188.18 and 7,935.80 is: 10,951.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.25 : 19,188.18 = 7,935.80 : x
  2. Step 2: Convert to fraction form
    13,904.25/19,188.18 = 7,935.80/x
  3. Step 3: Cross multiply
    13,904.25x = 19,188.18 × 7,935.80
  4. Step 4: Simplify right side
    13,904.25x = 152,273,558.84
  5. Step 5: Solve for x
    x = 152,273,558.84/13,904.25
  6. Step 6: Final answer
    x = 10,951.58

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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.