Home / 26,130.60-39,198.49-8,356.79

Finding the Fourth Proportional to 26,130.60, 39,198.49 and 8,356.79

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Solution

The fourth proportional to 26,130.60, 39,198.49 and 8,356.79 is: 12,536.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,130.60 : 39,198.49 = 8,356.79 : x
  2. Step 2: Convert to fraction form
    26,130.60/39,198.49 = 8,356.79/x
  3. Step 3: Cross multiply
    26,130.60x = 39,198.49 × 8,356.79
  4. Step 4: Simplify right side
    26,130.60x = 327,573,528.36
  5. Step 5: Solve for x
    x = 327,573,528.36/26,130.60
  6. Step 6: Final answer
    x = 12,536.01

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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.