Home / 15,910.03-23,865.13-5,380.12

Finding the Fourth Proportional to 15,910.03, 23,865.13 and 5,380.12

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Solution

The fourth proportional to 15,910.03, 23,865.13 and 5,380.12 is: 8,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,910.03 : 23,865.13 = 5,380.12 : x
  2. Step 2: Convert to fraction form
    15,910.03/23,865.13 = 5,380.12/x
  3. Step 3: Cross multiply
    15,910.03x = 23,865.13 × 5,380.12
  4. Step 4: Simplify right side
    15,910.03x = 128,397,299.77
  5. Step 5: Solve for x
    x = 128,397,299.77/15,910.03
  6. Step 6: Final answer
    x = 8,070.21

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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.