Home / 26,195.88-39,303.56-12,162.68

Finding the Fourth Proportional to 26,195.88, 39,303.56 and 12,162.68

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Solution

The fourth proportional to 26,195.88, 39,303.56 and 12,162.68 is: 18,248.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,195.88 : 39,303.56 = 12,162.68 : x
  2. Step 2: Convert to fraction form
    26,195.88/39,303.56 = 12,162.68/x
  3. Step 3: Cross multiply
    26,195.88x = 39,303.56 × 12,162.68
  4. Step 4: Simplify right side
    26,195.88x = 478,036,623.14
  5. Step 5: Solve for x
    x = 478,036,623.14/26,195.88
  6. Step 6: Final answer
    x = 18,248.54

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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.