Home / 17,472.80-26,215.68-8,117.36

Finding the Fourth Proportional to 17,472.80, 26,215.68 and 8,117.36

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Solution

The fourth proportional to 17,472.80, 26,215.68 and 8,117.36 is: 12,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,472.80 : 26,215.68 = 8,117.36 : x
  2. Step 2: Convert to fraction form
    17,472.80/26,215.68 = 8,117.36/x
  3. Step 3: Cross multiply
    17,472.80x = 26,215.68 × 8,117.36
  4. Step 4: Simplify right side
    17,472.80x = 212,802,112.20
  5. Step 5: Solve for x
    x = 212,802,112.20/17,472.80
  6. Step 6: Final answer
    x = 12,179.05

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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.