Home / 12,369.49-18,558.33-8,225.80

Finding the Fourth Proportional to 12,369.49, 18,558.33 and 8,225.80

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Solution

The fourth proportional to 12,369.49, 18,558.33 and 8,225.80 is: 12,341.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.49 : 18,558.33 = 8,225.80 : x
  2. Step 2: Convert to fraction form
    12,369.49/18,558.33 = 8,225.80/x
  3. Step 3: Cross multiply
    12,369.49x = 18,558.33 × 8,225.80
  4. Step 4: Simplify right side
    12,369.49x = 152,657,110.91
  5. Step 5: Solve for x
    x = 152,657,110.91/12,369.49
  6. Step 6: Final answer
    x = 12,341.42

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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.