Home / 18,900.37-26,085.38-11,350.87

Finding the Fourth Proportional to 18,900.37, 26,085.38 and 11,350.87

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Solution

The fourth proportional to 18,900.37, 26,085.38 and 11,350.87 is: 15,665.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,900.37 : 26,085.38 = 11,350.87 : x
  2. Step 2: Convert to fraction form
    18,900.37/26,085.38 = 11,350.87/x
  3. Step 3: Cross multiply
    18,900.37x = 26,085.38 × 11,350.87
  4. Step 4: Simplify right side
    18,900.37x = 296,091,757.28
  5. Step 5: Solve for x
    x = 296,091,757.28/18,900.37
  6. Step 6: Final answer
    x = 15,665.92

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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.