Home / 17,090.30-25,639.05-5,404.70

Finding the Fourth Proportional to 17,090.30, 25,639.05 and 5,404.70

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Solution

The fourth proportional to 17,090.30, 25,639.05 and 5,404.70 is: 8,108.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,090.30 : 25,639.05 = 5,404.70 : x
  2. Step 2: Convert to fraction form
    17,090.30/25,639.05 = 5,404.70/x
  3. Step 3: Cross multiply
    17,090.30x = 25,639.05 × 5,404.70
  4. Step 4: Simplify right side
    17,090.30x = 138,571,373.54
  5. Step 5: Solve for x
    x = 138,571,373.54/17,090.30
  6. Step 6: Final answer
    x = 8,108.19

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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.