Home / 13,101.30-19,653.57-4,217.22

Finding the Fourth Proportional to 13,101.30, 19,653.57 and 4,217.22

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Solution

The fourth proportional to 13,101.30, 19,653.57 and 4,217.22 is: 6,326.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.30 : 19,653.57 = 4,217.22 : x
  2. Step 2: Convert to fraction form
    13,101.30/19,653.57 = 4,217.22/x
  3. Step 3: Cross multiply
    13,101.30x = 19,653.57 × 4,217.22
  4. Step 4: Simplify right side
    13,101.30x = 82,883,428.48
  5. Step 5: Solve for x
    x = 82,883,428.48/13,101.30
  6. Step 6: Final answer
    x = 6,326.35

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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.