Home / 10,815.08-16,220.46-3,887.24

Finding the Fourth Proportional to 10,815.08, 16,220.46 and 3,887.24

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Solution

The fourth proportional to 10,815.08, 16,220.46 and 3,887.24 is: 5,830.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.08 : 16,220.46 = 3,887.24 : x
  2. Step 2: Convert to fraction form
    10,815.08/16,220.46 = 3,887.24/x
  3. Step 3: Cross multiply
    10,815.08x = 16,220.46 × 3,887.24
  4. Step 4: Simplify right side
    10,815.08x = 63,052,820.93
  5. Step 5: Solve for x
    x = 63,052,820.93/10,815.08
  6. Step 6: Final answer
    x = 5,830.08

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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.