Home / 12,577.64-18,866.27-3,217.58

Finding the Fourth Proportional to 12,577.64, 18,866.27 and 3,217.58

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Solution

The fourth proportional to 12,577.64, 18,866.27 and 3,217.58 is: 4,826.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577.64 : 18,866.27 = 3,217.58 : x
  2. Step 2: Convert to fraction form
    12,577.64/18,866.27 = 3,217.58/x
  3. Step 3: Cross multiply
    12,577.64x = 18,866.27 × 3,217.58
  4. Step 4: Simplify right side
    12,577.64x = 60,703,733.03
  5. Step 5: Solve for x
    x = 60,703,733.03/12,577.64
  6. Step 6: Final answer
    x = 4,826.32

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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.