Home / 19,477.32-29,207.32-12,081.48

Finding the Fourth Proportional to 19,477.32, 29,207.32 and 12,081.48

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Solution

The fourth proportional to 19,477.32, 29,207.32 and 12,081.48 is: 18,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477.32 : 29,207.32 = 12,081.48 : x
  2. Step 2: Convert to fraction form
    19,477.32/29,207.32 = 12,081.48/x
  3. Step 3: Cross multiply
    19,477.32x = 29,207.32 × 12,081.48
  4. Step 4: Simplify right side
    19,477.32x = 352,867,652.43
  5. Step 5: Solve for x
    x = 352,867,652.43/19,477.32
  6. Step 6: Final answer
    x = 18,116.85

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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.