Home / 12,545.52-18,811.08-3,777.84

Finding the Fourth Proportional to 12,545.52, 18,811.08 and 3,777.84

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Solution

The fourth proportional to 12,545.52, 18,811.08 and 3,777.84 is: 5,664.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.52 : 18,811.08 = 3,777.84 : x
  2. Step 2: Convert to fraction form
    12,545.52/18,811.08 = 3,777.84/x
  3. Step 3: Cross multiply
    12,545.52x = 18,811.08 × 3,777.84
  4. Step 4: Simplify right side
    12,545.52x = 71,065,250.47
  5. Step 5: Solve for x
    x = 71,065,250.47/12,545.52
  6. Step 6: Final answer
    x = 5,664.59

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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.