Home / 13,185.32-18,151.09-10,195.49

Finding the Fourth Proportional to 13,185.32, 18,151.09 and 10,195.49

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Solution

The fourth proportional to 13,185.32, 18,151.09 and 10,195.49 is: 14,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185.32 : 18,151.09 = 10,195.49 : x
  2. Step 2: Convert to fraction form
    13,185.32/18,151.09 = 10,195.49/x
  3. Step 3: Cross multiply
    13,185.32x = 18,151.09 × 10,195.49
  4. Step 4: Simplify right side
    13,185.32x = 185,059,276.47
  5. Step 5: Solve for x
    x = 185,059,276.47/13,185.32
  6. Step 6: Final answer
    x = 14,035.26

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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.