Home / 13,203.18-19,792.35-4,431.94

Finding the Fourth Proportional to 13,203.18, 19,792.35 and 4,431.94

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Solution

The fourth proportional to 13,203.18, 19,792.35 and 4,431.94 is: 6,643.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.18 : 19,792.35 = 4,431.94 : x
  2. Step 2: Convert to fraction form
    13,203.18/19,792.35 = 4,431.94/x
  3. Step 3: Cross multiply
    13,203.18x = 19,792.35 × 4,431.94
  4. Step 4: Simplify right side
    13,203.18x = 87,718,507.66
  5. Step 5: Solve for x
    x = 87,718,507.66/13,203.18
  6. Step 6: Final answer
    x = 6,643.74

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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.