Home / 12,450.52-18,673.02-7,521.64

Finding the Fourth Proportional to 12,450.52, 18,673.02 and 7,521.64

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Solution

The fourth proportional to 12,450.52, 18,673.02 and 7,521.64 is: 11,280.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.52 : 18,673.02 = 7,521.64 : x
  2. Step 2: Convert to fraction form
    12,450.52/18,673.02 = 7,521.64/x
  3. Step 3: Cross multiply
    12,450.52x = 18,673.02 × 7,521.64
  4. Step 4: Simplify right side
    12,450.52x = 140,451,734.15
  5. Step 5: Solve for x
    x = 140,451,734.15/12,450.52
  6. Step 6: Final answer
    x = 11,280.79

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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.