Home / 18,943.56-26,140.32-10,983.96

Finding the Fourth Proportional to 18,943.56, 26,140.32 and 10,983.96

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Solution

The fourth proportional to 18,943.56, 26,140.32 and 10,983.96 is: 15,156.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.56 : 26,140.32 = 10,983.96 : x
  2. Step 2: Convert to fraction form
    18,943.56/26,140.32 = 10,983.96/x
  3. Step 3: Cross multiply
    18,943.56x = 26,140.32 × 10,983.96
  4. Step 4: Simplify right side
    18,943.56x = 287,124,229.27
  5. Step 5: Solve for x
    x = 287,124,229.27/18,943.56
  6. Step 6: Final answer
    x = 15,156.83

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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.