Home / 10,854.44-14,979.46-6,138.62

Finding the Fourth Proportional to 10,854.44, 14,979.46 and 6,138.62

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Solution

The fourth proportional to 10,854.44, 14,979.46 and 6,138.62 is: 8,471.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,854.44 : 14,979.46 = 6,138.62 : x
  2. Step 2: Convert to fraction form
    10,854.44/14,979.46 = 6,138.62/x
  3. Step 3: Cross multiply
    10,854.44x = 14,979.46 × 6,138.62
  4. Step 4: Simplify right side
    10,854.44x = 91,953,212.75
  5. Step 5: Solve for x
    x = 91,953,212.75/10,854.44
  6. Step 6: Final answer
    x = 8,471.48

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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.