Home / 10,857.29-16,285.29-4,192.47

Finding the Fourth Proportional to 10,857.29, 16,285.29 and 4,192.47

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Solution

The fourth proportional to 10,857.29, 16,285.29 and 4,192.47 is: 6,288.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.29 : 16,285.29 = 4,192.47 : x
  2. Step 2: Convert to fraction form
    10,857.29/16,285.29 = 4,192.47/x
  3. Step 3: Cross multiply
    10,857.29x = 16,285.29 × 4,192.47
  4. Step 4: Simplify right side
    10,857.29x = 68,275,589.77
  5. Step 5: Solve for x
    x = 68,275,589.77/10,857.29
  6. Step 6: Final answer
    x = 6,288.46

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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.