Home / 18,900.26-26,082.36-10,942.90

Finding the Fourth Proportional to 18,900.26, 26,082.36 and 10,942.90

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Solution

The fourth proportional to 18,900.26, 26,082.36 and 10,942.90 is: 15,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,900.26 : 26,082.36 = 10,942.90 : x
  2. Step 2: Convert to fraction form
    18,900.26/26,082.36 = 10,942.90/x
  3. Step 3: Cross multiply
    18,900.26x = 26,082.36 × 10,942.90
  4. Step 4: Simplify right side
    18,900.26x = 285,416,657.24
  5. Step 5: Solve for x
    x = 285,416,657.24/18,900.26
  6. Step 6: Final answer
    x = 15,101.20

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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.