Home / 12,205.52-18,308.29-4,412.51

Finding the Fourth Proportional to 12,205.52, 18,308.29 and 4,412.51

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Solution

The fourth proportional to 12,205.52, 18,308.29 and 4,412.51 is: 6,618.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,205.52 : 18,308.29 = 4,412.51 : x
  2. Step 2: Convert to fraction form
    12,205.52/18,308.29 = 4,412.51/x
  3. Step 3: Cross multiply
    12,205.52x = 18,308.29 × 4,412.51
  4. Step 4: Simplify right side
    12,205.52x = 80,785,512.71
  5. Step 5: Solve for x
    x = 80,785,512.71/12,205.52
  6. Step 6: Final answer
    x = 6,618.77

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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.