Home / 10,133.24-15,126.54-8,755.44

Finding the Fourth Proportional to 10,133.24, 15,126.54 and 8,755.44

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Solution

The fourth proportional to 10,133.24, 15,126.54 and 8,755.44 is: 13,069.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.24 : 15,126.54 = 8,755.44 : x
  2. Step 2: Convert to fraction form
    10,133.24/15,126.54 = 8,755.44/x
  3. Step 3: Cross multiply
    10,133.24x = 15,126.54 × 8,755.44
  4. Step 4: Simplify right side
    10,133.24x = 132,439,513.38
  5. Step 5: Solve for x
    x = 132,439,513.38/10,133.24
  6. Step 6: Final answer
    x = 13,069.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.