Home / 17,674.28-26,511.26-8,412.20

Finding the Fourth Proportional to 17,674.28, 26,511.26 and 8,412.20

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Solution

The fourth proportional to 17,674.28, 26,511.26 and 8,412.20 is: 12,618.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,674.28 : 26,511.26 = 8,412.20 : x
  2. Step 2: Convert to fraction form
    17,674.28/26,511.26 = 8,412.20/x
  3. Step 3: Cross multiply
    17,674.28x = 26,511.26 × 8,412.20
  4. Step 4: Simplify right side
    17,674.28x = 223,018,021.37
  5. Step 5: Solve for x
    x = 223,018,021.37/17,674.28
  6. Step 6: Final answer
    x = 12,618.22

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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.