Home / 13,426.92-20,152.92-6,857.82

Finding the Fourth Proportional to 13,426.92, 20,152.92 and 6,857.82

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Solution

The fourth proportional to 13,426.92, 20,152.92 and 6,857.82 is: 10,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426.92 : 20,152.92 = 6,857.82 : x
  2. Step 2: Convert to fraction form
    13,426.92/20,152.92 = 6,857.82/x
  3. Step 3: Cross multiply
    13,426.92x = 20,152.92 × 6,857.82
  4. Step 4: Simplify right side
    13,426.92x = 138,205,097.83
  5. Step 5: Solve for x
    x = 138,205,097.83/13,426.92
  6. Step 6: Final answer
    x = 10,293.13

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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.