Home / 12,600.24-18,801.90-11,288.40

Finding the Fourth Proportional to 12,600.24, 18,801.90 and 11,288.40

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Solution

The fourth proportional to 12,600.24, 18,801.90 and 11,288.40 is: 16,844.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600.24 : 18,801.90 = 11,288.40 : x
  2. Step 2: Convert to fraction form
    12,600.24/18,801.90 = 11,288.40/x
  3. Step 3: Cross multiply
    12,600.24x = 18,801.90 × 11,288.40
  4. Step 4: Simplify right side
    12,600.24x = 212,243,367.96
  5. Step 5: Solve for x
    x = 212,243,367.96/12,600.24
  6. Step 6: Final answer
    x = 16,844.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.