Home / 13,252.12-19,881.88-4,487.70

Finding the Fourth Proportional to 13,252.12, 19,881.88 and 4,487.70

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Solution

The fourth proportional to 13,252.12, 19,881.88 and 4,487.70 is: 6,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.12 : 19,881.88 = 4,487.70 : x
  2. Step 2: Convert to fraction form
    13,252.12/19,881.88 = 4,487.70/x
  3. Step 3: Cross multiply
    13,252.12x = 19,881.88 × 4,487.70
  4. Step 4: Simplify right side
    13,252.12x = 89,223,912.88
  5. Step 5: Solve for x
    x = 89,223,912.88/13,252.12
  6. Step 6: Final answer
    x = 6,732.80

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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.