Home / 12,110.64-18,165.45-4,214.97

Finding the Fourth Proportional to 12,110.64, 18,165.45 and 4,214.97

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Solution

The fourth proportional to 12,110.64, 18,165.45 and 4,214.97 is: 6,322.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.64 : 18,165.45 = 4,214.97 : x
  2. Step 2: Convert to fraction form
    12,110.64/18,165.45 = 4,214.97/x
  3. Step 3: Cross multiply
    12,110.64x = 18,165.45 × 4,214.97
  4. Step 4: Simplify right side
    12,110.64x = 76,566,826.79
  5. Step 5: Solve for x
    x = 76,566,826.79/12,110.64
  6. Step 6: Final answer
    x = 6,322.28

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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.