Home / 26,138.22-39,206.97-6,416.70

Finding the Fourth Proportional to 26,138.22, 39,206.97 and 6,416.70

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Solution

The fourth proportional to 26,138.22, 39,206.97 and 6,416.70 is: 9,624.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,138.22 : 39,206.97 = 6,416.70 : x
  2. Step 2: Convert to fraction form
    26,138.22/39,206.97 = 6,416.70/x
  3. Step 3: Cross multiply
    26,138.22x = 39,206.97 × 6,416.70
  4. Step 4: Simplify right side
    26,138.22x = 251,579,364.40
  5. Step 5: Solve for x
    x = 251,579,364.40/26,138.22
  6. Step 6: Final answer
    x = 9,624.96

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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.