Home / 12,808.24-19,221.01-4,488.32

Finding the Fourth Proportional to 12,808.24, 19,221.01 and 4,488.32

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Solution

The fourth proportional to 12,808.24, 19,221.01 and 4,488.32 is: 6,735.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808.24 : 19,221.01 = 4,488.32 : x
  2. Step 2: Convert to fraction form
    12,808.24/19,221.01 = 4,488.32/x
  3. Step 3: Cross multiply
    12,808.24x = 19,221.01 × 4,488.32
  4. Step 4: Simplify right side
    12,808.24x = 86,270,043.60
  5. Step 5: Solve for x
    x = 86,270,043.60/12,808.24
  6. Step 6: Final answer
    x = 6,735.51

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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.