Home / 10,183.12-15,282.84-5,508.40

Finding the Fourth Proportional to 10,183.12, 15,282.84 and 5,508.40

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Solution

The fourth proportional to 10,183.12, 15,282.84 and 5,508.40 is: 8,267.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.12 : 15,282.84 = 5,508.40 : x
  2. Step 2: Convert to fraction form
    10,183.12/15,282.84 = 5,508.40/x
  3. Step 3: Cross multiply
    10,183.12x = 15,282.84 × 5,508.40
  4. Step 4: Simplify right side
    10,183.12x = 84,183,995.86
  5. Step 5: Solve for x
    x = 84,183,995.86/10,183.12
  6. Step 6: Final answer
    x = 8,267.01

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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.