Home / 17,690.48-26,542.20-8,333.36

Finding the Fourth Proportional to 17,690.48, 26,542.20 and 8,333.36

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Solution

The fourth proportional to 17,690.48, 26,542.20 and 8,333.36 is: 12,503.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,690.48 : 26,542.20 = 8,333.36 : x
  2. Step 2: Convert to fraction form
    17,690.48/26,542.20 = 8,333.36/x
  3. Step 3: Cross multiply
    17,690.48x = 26,542.20 × 8,333.36
  4. Step 4: Simplify right side
    17,690.48x = 221,185,707.79
  5. Step 5: Solve for x
    x = 221,185,707.79/17,690.48
  6. Step 6: Final answer
    x = 12,503.09

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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.