Home / 12,603.24-18,903.24-4,282.92

Finding the Fourth Proportional to 12,603.24, 18,903.24 and 4,282.92

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Solution

The fourth proportional to 12,603.24, 18,903.24 and 4,282.92 is: 6,423.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603.24 : 18,903.24 = 4,282.92 : x
  2. Step 2: Convert to fraction form
    12,603.24/18,903.24 = 4,282.92/x
  3. Step 3: Cross multiply
    12,603.24x = 18,903.24 × 4,282.92
  4. Step 4: Simplify right side
    12,603.24x = 80,961,064.66
  5. Step 5: Solve for x
    x = 80,961,064.66/12,603.24
  6. Step 6: Final answer
    x = 6,423.83

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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.