Home / 19,910.69-29,848.22-8,216.45

Finding the Fourth Proportional to 19,910.69, 29,848.22 and 8,216.45

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Solution

The fourth proportional to 19,910.69, 29,848.22 and 8,216.45 is: 12,317.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.69 : 29,848.22 = 8,216.45 : x
  2. Step 2: Convert to fraction form
    19,910.69/29,848.22 = 8,216.45/x
  3. Step 3: Cross multiply
    19,910.69x = 29,848.22 × 8,216.45
  4. Step 4: Simplify right side
    19,910.69x = 245,246,366.14
  5. Step 5: Solve for x
    x = 245,246,366.14/19,910.69
  6. Step 6: Final answer
    x = 12,317.32

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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.