Home / 11,702.07-17,552.43-5,128.29

Finding the Fourth Proportional to 11,702.07, 17,552.43 and 5,128.29

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Solution

The fourth proportional to 11,702.07, 17,552.43 and 5,128.29 is: 7,692.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,702.07 : 17,552.43 = 5,128.29 : x
  2. Step 2: Convert to fraction form
    11,702.07/17,552.43 = 5,128.29/x
  3. Step 3: Cross multiply
    11,702.07x = 17,552.43 × 5,128.29
  4. Step 4: Simplify right side
    11,702.07x = 90,013,951.24
  5. Step 5: Solve for x
    x = 90,013,951.24/11,702.07
  6. Step 6: Final answer
    x = 7,692.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.