Home / 12,416.32-18,628.26-3,651.31

Finding the Fourth Proportional to 12,416.32, 18,628.26 and 3,651.31

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Solution

The fourth proportional to 12,416.32, 18,628.26 and 3,651.31 is: 5,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.32 : 18,628.26 = 3,651.31 : x
  2. Step 2: Convert to fraction form
    12,416.32/18,628.26 = 3,651.31/x
  3. Step 3: Cross multiply
    12,416.32x = 18,628.26 × 3,651.31
  4. Step 4: Simplify right side
    12,416.32x = 68,017,552.02
  5. Step 5: Solve for x
    x = 68,017,552.02/12,416.32
  6. Step 6: Final answer
    x = 5,478.08

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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.