Home / 23,151.16-34,702.90-9,105.49

Finding the Fourth Proportional to 23,151.16, 34,702.90 and 9,105.49

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Solution

The fourth proportional to 23,151.16, 34,702.90 and 9,105.49 is: 13,648.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,151.16 : 34,702.90 = 9,105.49 : x
  2. Step 2: Convert to fraction form
    23,151.16/34,702.90 = 9,105.49/x
  3. Step 3: Cross multiply
    23,151.16x = 34,702.90 × 9,105.49
  4. Step 4: Simplify right side
    23,151.16x = 315,986,799.40
  5. Step 5: Solve for x
    x = 315,986,799.40/23,151.16
  6. Step 6: Final answer
    x = 13,648.86

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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.