Home / 23,115.10-34,651.54-8,320.64

Finding the Fourth Proportional to 23,115.10, 34,651.54 and 8,320.64

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Solution

The fourth proportional to 23,115.10, 34,651.54 and 8,320.64 is: 12,473.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,115.10 : 34,651.54 = 8,320.64 : x
  2. Step 2: Convert to fraction form
    23,115.10/34,651.54 = 8,320.64/x
  3. Step 3: Cross multiply
    23,115.10x = 34,651.54 × 8,320.64
  4. Step 4: Simplify right side
    23,115.10x = 288,322,989.79
  5. Step 5: Solve for x
    x = 288,322,989.79/23,115.10
  6. Step 6: Final answer
    x = 12,473.36

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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.