Home / 13,268.49-19,877.43-6,838.71

Finding the Fourth Proportional to 13,268.49, 19,877.43 and 6,838.71

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Solution

The fourth proportional to 13,268.49, 19,877.43 and 6,838.71 is: 10,245.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.49 : 19,877.43 = 6,838.71 : x
  2. Step 2: Convert to fraction form
    13,268.49/19,877.43 = 6,838.71/x
  3. Step 3: Cross multiply
    13,268.49x = 19,877.43 × 6,838.71
  4. Step 4: Simplify right side
    13,268.49x = 135,935,979.32
  5. Step 5: Solve for x
    x = 135,935,979.32/13,268.49
  6. Step 6: Final answer
    x = 10,245.02

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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.