Home / 17,457.39-26,198.78-13,086.63

Finding the Fourth Proportional to 17,457.39, 26,198.78 and 13,086.63

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Solution

The fourth proportional to 17,457.39, 26,198.78 and 13,086.63 is: 19,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,457.39 : 26,198.78 = 13,086.63 : x
  2. Step 2: Convert to fraction form
    17,457.39/26,198.78 = 13,086.63/x
  3. Step 3: Cross multiply
    17,457.39x = 26,198.78 × 13,086.63
  4. Step 4: Simplify right side
    17,457.39x = 342,853,674.88
  5. Step 5: Solve for x
    x = 342,853,674.88/17,457.39
  6. Step 6: Final answer
    x = 19,639.46

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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.