Home / 18,126.44-25,014.18-10,673

Finding the Fourth Proportional to 18,126.44, 25,014.18 and 10,673

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Solution

The fourth proportional to 18,126.44, 25,014.18 and 10,673 is: 14,728.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.44 : 25,014.18 = 10,673 : x
  2. Step 2: Convert to fraction form
    18,126.44/25,014.18 = 10,673/x
  3. Step 3: Cross multiply
    18,126.44x = 25,014.18 × 10,673
  4. Step 4: Simplify right side
    18,126.44x = 266,976,343.14
  5. Step 5: Solve for x
    x = 266,976,343.14/18,126.44
  6. Step 6: Final answer
    x = 14,728.56

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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.