Home / 15,907.10-21,952.35-8,833.64

Finding the Fourth Proportional to 15,907.10, 21,952.35 and 8,833.64

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Solution

The fourth proportional to 15,907.10, 21,952.35 and 8,833.64 is: 12,190.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907.10 : 21,952.35 = 8,833.64 : x
  2. Step 2: Convert to fraction form
    15,907.10/21,952.35 = 8,833.64/x
  3. Step 3: Cross multiply
    15,907.10x = 21,952.35 × 8,833.64
  4. Step 4: Simplify right side
    15,907.10x = 193,919,157.05
  5. Step 5: Solve for x
    x = 193,919,157.05/15,907.10
  6. Step 6: Final answer
    x = 12,190.73

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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.