Home / 18,245.17-25,178.29-10,287.34

Finding the Fourth Proportional to 18,245.17, 25,178.29 and 10,287.34

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Solution

The fourth proportional to 18,245.17, 25,178.29 and 10,287.34 is: 14,196.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245.17 : 25,178.29 = 10,287.34 : x
  2. Step 2: Convert to fraction form
    18,245.17/25,178.29 = 10,287.34/x
  3. Step 3: Cross multiply
    18,245.17x = 25,178.29 × 10,287.34
  4. Step 4: Simplify right side
    18,245.17x = 259,017,629.85
  5. Step 5: Solve for x
    x = 259,017,629.85/18,245.17
  6. Step 6: Final answer
    x = 14,196.50

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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.