Home / 12,225.73-18,334.63-3,903.80

Finding the Fourth Proportional to 12,225.73, 18,334.63 and 3,903.80

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Solution

The fourth proportional to 12,225.73, 18,334.63 and 3,903.80 is: 5,854.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225.73 : 18,334.63 = 3,903.80 : x
  2. Step 2: Convert to fraction form
    12,225.73/18,334.63 = 3,903.80/x
  3. Step 3: Cross multiply
    12,225.73x = 18,334.63 × 3,903.80
  4. Step 4: Simplify right side
    12,225.73x = 71,574,655.52
  5. Step 5: Solve for x
    x = 71,574,655.52/12,225.73
  6. Step 6: Final answer
    x = 5,854.43

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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.