Home / 13,324.40-19,967.55-9,786.66

Finding the Fourth Proportional to 13,324.40, 19,967.55 and 9,786.66

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Solution

The fourth proportional to 13,324.40, 19,967.55 and 9,786.66 is: 14,665.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.40 : 19,967.55 = 9,786.66 : x
  2. Step 2: Convert to fraction form
    13,324.40/19,967.55 = 9,786.66/x
  3. Step 3: Cross multiply
    13,324.40x = 19,967.55 × 9,786.66
  4. Step 4: Simplify right side
    13,324.40x = 195,415,511.30
  5. Step 5: Solve for x
    x = 195,415,511.30/13,324.40
  6. Step 6: Final answer
    x = 14,665.99

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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.