Home / 18,936.61-26,132.63-10,983.56

Finding the Fourth Proportional to 18,936.61, 26,132.63 and 10,983.56

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Solution

The fourth proportional to 18,936.61, 26,132.63 and 10,983.56 is: 15,157.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936.61 : 26,132.63 = 10,983.56 : x
  2. Step 2: Convert to fraction form
    18,936.61/26,132.63 = 10,983.56/x
  3. Step 3: Cross multiply
    18,936.61x = 26,132.63 × 10,983.56
  4. Step 4: Simplify right side
    18,936.61x = 287,029,123.98
  5. Step 5: Solve for x
    x = 287,029,123.98/18,936.61
  6. Step 6: Final answer
    x = 15,157.37

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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.