Home / 13,160.94-18,162.48-7,192.86

Finding the Fourth Proportional to 13,160.94, 18,162.48 and 7,192.86

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Solution

The fourth proportional to 13,160.94, 18,162.48 and 7,192.86 is: 9,926.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.94 : 18,162.48 = 7,192.86 : x
  2. Step 2: Convert to fraction form
    13,160.94/18,162.48 = 7,192.86/x
  3. Step 3: Cross multiply
    13,160.94x = 18,162.48 × 7,192.86
  4. Step 4: Simplify right side
    13,160.94x = 130,640,175.89
  5. Step 5: Solve for x
    x = 130,640,175.89/13,160.94
  6. Step 6: Final answer
    x = 9,926.36

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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.