Home / 13,511.51-18,604.61-12,244.32

Finding the Fourth Proportional to 13,511.51, 18,604.61 and 12,244.32

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Solution

The fourth proportional to 13,511.51, 18,604.61 and 12,244.32 is: 16,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,511.51 : 18,604.61 = 12,244.32 : x
  2. Step 2: Convert to fraction form
    13,511.51/18,604.61 = 12,244.32/x
  3. Step 3: Cross multiply
    13,511.51x = 18,604.61 × 12,244.32
  4. Step 4: Simplify right side
    13,511.51x = 227,800,737.09
  5. Step 5: Solve for x
    x = 227,800,737.09/13,511.51
  6. Step 6: Final answer
    x = 16,859.75

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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.