Home / 14,183.12-19,574.52-8,215.04

Finding the Fourth Proportional to 14,183.12, 19,574.52 and 8,215.04

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Solution

The fourth proportional to 14,183.12, 19,574.52 and 8,215.04 is: 11,337.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.12 : 19,574.52 = 8,215.04 : x
  2. Step 2: Convert to fraction form
    14,183.12/19,574.52 = 8,215.04/x
  3. Step 3: Cross multiply
    14,183.12x = 19,574.52 × 8,215.04
  4. Step 4: Simplify right side
    14,183.12x = 160,805,464.78
  5. Step 5: Solve for x
    x = 160,805,464.78/14,183.12
  6. Step 6: Final answer
    x = 11,337.81

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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.