Home / 12,222.59-18,335.34-4,323.49

Finding the Fourth Proportional to 12,222.59, 18,335.34 and 4,323.49

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Solution

The fourth proportional to 12,222.59, 18,335.34 and 4,323.49 is: 6,485.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222.59 : 18,335.34 = 4,323.49 : x
  2. Step 2: Convert to fraction form
    12,222.59/18,335.34 = 4,323.49/x
  3. Step 3: Cross multiply
    12,222.59x = 18,335.34 × 4,323.49
  4. Step 4: Simplify right side
    12,222.59x = 79,272,545.84
  5. Step 5: Solve for x
    x = 79,272,545.84/12,222.59
  6. Step 6: Final answer
    x = 6,485.74

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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.