Home / 17,558.05-26,313.68-7,686.58

Finding the Fourth Proportional to 17,558.05, 26,313.68 and 7,686.58

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Solution

The fourth proportional to 17,558.05, 26,313.68 and 7,686.58 is: 11,519.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,558.05 : 26,313.68 = 7,686.58 : x
  2. Step 2: Convert to fraction form
    17,558.05/26,313.68 = 7,686.58/x
  3. Step 3: Cross multiply
    17,558.05x = 26,313.68 × 7,686.58
  4. Step 4: Simplify right side
    17,558.05x = 202,262,206.41
  5. Step 5: Solve for x
    x = 202,262,206.41/17,558.05
  6. Step 6: Final answer
    x = 11,519.63

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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.