Home / 10,818.26-14,920.79-6,837.92

Finding the Fourth Proportional to 10,818.26, 14,920.79 and 6,837.92

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Solution

The fourth proportional to 10,818.26, 14,920.79 and 6,837.92 is: 9,431.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.26 : 14,920.79 = 6,837.92 : x
  2. Step 2: Convert to fraction form
    10,818.26/14,920.79 = 6,837.92/x
  3. Step 3: Cross multiply
    10,818.26x = 14,920.79 × 6,837.92
  4. Step 4: Simplify right side
    10,818.26x = 102,027,059.56
  5. Step 5: Solve for x
    x = 102,027,059.56/10,818.26
  6. Step 6: Final answer
    x = 9,431.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.