Home / 13,253.57-19,884.87-6,677.99

Finding the Fourth Proportional to 13,253.57, 19,884.87 and 6,677.99

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Solution

The fourth proportional to 13,253.57, 19,884.87 and 6,677.99 is: 10,019.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.57 : 19,884.87 = 6,677.99 : x
  2. Step 2: Convert to fraction form
    13,253.57/19,884.87 = 6,677.99/x
  3. Step 3: Cross multiply
    13,253.57x = 19,884.87 × 6,677.99
  4. Step 4: Simplify right side
    13,253.57x = 132,790,863.59
  5. Step 5: Solve for x
    x = 132,790,863.59/13,253.57
  6. Step 6: Final answer
    x = 10,019.26

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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.