Home / 26,105.40-39,158.10-6,383.70

Finding the Fourth Proportional to 26,105.40, 39,158.10 and 6,383.70

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Solution

The fourth proportional to 26,105.40, 39,158.10 and 6,383.70 is: 9,575.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,105.40 : 39,158.10 = 6,383.70 : x
  2. Step 2: Convert to fraction form
    26,105.40/39,158.10 = 6,383.70/x
  3. Step 3: Cross multiply
    26,105.40x = 39,158.10 × 6,383.70
  4. Step 4: Simplify right side
    26,105.40x = 249,973,562.97
  5. Step 5: Solve for x
    x = 249,973,562.97/26,105.40
  6. Step 6: Final answer
    x = 9,575.55

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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.