Home / 13,653.91-20,476.41-4,417.75

Finding the Fourth Proportional to 13,653.91, 20,476.41 and 4,417.75

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Solution

The fourth proportional to 13,653.91, 20,476.41 and 4,417.75 is: 6,625.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,653.91 : 20,476.41 = 4,417.75 : x
  2. Step 2: Convert to fraction form
    13,653.91/20,476.41 = 4,417.75/x
  3. Step 3: Cross multiply
    13,653.91x = 20,476.41 × 4,417.75
  4. Step 4: Simplify right side
    13,653.91x = 90,459,660.28
  5. Step 5: Solve for x
    x = 90,459,660.28/13,653.91
  6. Step 6: Final answer
    x = 6,625.18

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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.