Home / 10,705.52-16,057.80-4,857.92

Finding the Fourth Proportional to 10,705.52, 16,057.80 and 4,857.92

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Solution

The fourth proportional to 10,705.52, 16,057.80 and 4,857.92 is: 7,286.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,705.52 : 16,057.80 = 4,857.92 : x
  2. Step 2: Convert to fraction form
    10,705.52/16,057.80 = 4,857.92/x
  3. Step 3: Cross multiply
    10,705.52x = 16,057.80 × 4,857.92
  4. Step 4: Simplify right side
    10,705.52x = 78,007,507.78
  5. Step 5: Solve for x
    x = 78,007,507.78/10,705.52
  6. Step 6: Final answer
    x = 7,286.66

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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.