Home / 12,658.08-18,982.80-4,335.84

Finding the Fourth Proportional to 12,658.08, 18,982.80 and 4,335.84

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Solution

The fourth proportional to 12,658.08, 18,982.80 and 4,335.84 is: 6,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,658.08 : 18,982.80 = 4,335.84 : x
  2. Step 2: Convert to fraction form
    12,658.08/18,982.80 = 4,335.84/x
  3. Step 3: Cross multiply
    12,658.08x = 18,982.80 × 4,335.84
  4. Step 4: Simplify right side
    12,658.08x = 82,306,383.55
  5. Step 5: Solve for x
    x = 82,306,383.55/12,658.08
  6. Step 6: Final answer
    x = 6,502.28

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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.