Home / 14,183.76-19,574.28-8,214.36

Finding the Fourth Proportional to 14,183.76, 19,574.28 and 8,214.36

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Solution

The fourth proportional to 14,183.76, 19,574.28 and 8,214.36 is: 11,336.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.76 : 19,574.28 = 8,214.36 : x
  2. Step 2: Convert to fraction form
    14,183.76/19,574.28 = 8,214.36/x
  3. Step 3: Cross multiply
    14,183.76x = 19,574.28 × 8,214.36
  4. Step 4: Simplify right side
    14,183.76x = 160,790,182.66
  5. Step 5: Solve for x
    x = 160,790,182.66/14,183.76
  6. Step 6: Final answer
    x = 11,336.22

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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.